#include<cstdio>
const int N = 1e6 + 10;
using u128 = __uint128_t;
using u64 = __uint64_t;
u128 st1, st2;
int n, q;
u64 a[N];
u128 to128(u64 x) {
    u128 res{0};
    for(int i = 0; i < 64; i++) {
        res |= ((((u128)x) >> i) & 1) << (i << 1);
    }
    return res;
}
u64 to64(u128 x) {
    u64 res{0};
    for(int i = 0; i < 64; i++) {
        res |= ((x >> (i << 1)) & 1) << i;
    }
    return res;
}
struct node {
    u128 band, f;
    node(): node(st1) {}
    node(u128 x): band(x), f((~x) & st1){}
    node(u128 x, u128 f): band(x), f(f) {}
    node operator+ (const node &oth) {
        node ans{0, 0};
        ans.band = band & oth.band;
        ans.f = ((f & st1) + (oth.f & st1)) | (f & st2) | (oth.f & st2);
        return ans;
    }
}t[N << 2];
u128 tag[N << 2];
void build(int rt, int l, int r) {
    tag[rt] = ~u128{0};
    if(l == r) {
        t[rt] = node{to128(a[l])};
        return;
    }
    int m = (l + r) >> 1;
    build(rt << 1, l, m);
    build(rt << 1 | 1, m + 1, r);
    t[rt] = t[rt << 1] + t[rt << 1 | 1];
}
void adt(int rt, int l, int r, u128 x) {
    if(r - l + 1 == 1) {
        t[rt] = node{t[rt].band & x};
        tag[rt] &= x;
    } else {
        node tmp{x};
        tmp.f <<= 1;
        t[rt] = t[rt] + tmp;
        tag[rt] &= x;
    }
}
void pushdown(int rt, int l, int r, int m) {
    if(~tag[rt]) {
        adt(rt << 1, l, m, tag[rt]);
        adt(rt << 1 | 1, m + 1, r, tag[rt]);
        tag[rt] = ~u128{0};
    }
}
void update(int rt, int l, int r, int p, u128 x) {
    if(l == r) {
        t[rt] = node{x};
        return;
    }
    int m = (l + r) >> 1;
    pushdown(rt, l, r, m);
    p <= m? update(rt << 1, l, m, p, x): update(rt << 1 | 1, m + 1, r, p, x);
    t[rt] = t[rt << 1] + t[rt << 1 | 1];
    // printf("?[%d, %d]: %llu %llu %llu\n", l, r, to64(t[rt].band), to64(t[rt << 1].band), to64(t[rt << 1|1].band));
}
void update(int rt, int l, int r, int ql, int qr, u128 x) {
    if(ql <= l && r <= qr) {
        adt(rt, l, r, x);
        return;
    }
    int m = (l + r) >> 1;
    pushdown(rt, l, r, m);
    if(ql <= m) update(rt << 1, l, m, ql, qr, x);
    if(qr > m) update(rt << 1 | 1, m + 1, r, ql, qr, x);
    t[rt] = t[rt << 1] + t[rt << 1 | 1];
}
node query(int rt, int l, int r, int ql, int qr) {
    // printf("[%d, %d]: %llu %llu %llu\n", l, r, to64(t[rt].band), to64(t[rt << 1].band), to64(t[rt << 1|1].band));
    if(ql <= l && r <= qr) {
        return t[rt];
    }
    int m = (l + r) >> 1;
    pushdown(rt, l, r, m);
    node res{};
    if(ql <= m) res = res + query(rt << 1, l, m, ql, qr);
    if(qr > m) res = res + query(rt << 1 | 1, m + 1, r, ql, qr);
    return res;
}
u128 query(int rt, int l, int r, int ql, int qr, int k) {
    // printf("![%d, %d]: %llu %llu %llu\n", l, r, to64(t[rt].band), to64(t[rt << 1].band), to64(t[rt << 1|1].band));
    int m = (l + r) >> 1;
    if(ql <= l && r <= qr) {
        if((t[rt].f >> (k << 1) & 3) != 1) {
            return 0;
        }
        if(l == r) {
            return t[rt].band;
        }
        pushdown(rt, l, r, m);
        if(((t[rt << 1].f >> (k << 1)) & 3) == 1) {
            return query(rt << 1, l, m, ql, qr, k);
        } else {
            return query(rt << 1 | 1, m + 1, r, ql, qr, k);
        }
    }
    pushdown(rt, l, r, m);
    u128 res = 0;
    if(ql <= m) res |= query(rt << 1, l, m, ql, qr, k);
    if(qr > m) res |= query(rt << 1, m + 1, r, l, qr, k);
    return res;
}
int main() {
    for(int i = 0; i < 64; i++) {
        st1 = st1 << 2 | 1;
        st2 = st2 << 2 | 2;
    }
    scanf("%d%d", &n, &q);
    for(int i = 1; i <= n; i++) {
        scanf("%llu", &a[i]);
    }
    build(1, 1, n);
    while(q--) {
        int opt, l, r;
        unsigned long long x;
        scanf("%d", &opt);
        switch(opt) {
            case 1: {
                scanf("%d%d%llu", &l, &r, &x);
                update(1, 1, n, l, r, to128(x));
                break;
            }
            case 2: {
                scanf("%d%llu", &l, &x);
                update(1, 1, n, l, to128(x));
                break;
            }
            case 3: {
                scanf("%d%d", &l, &r);
                auto [p, f] = query(1, 1, n, l, r);
                x = to64(p);
                int k = -1;
                for(int i = 63; ~i; i--) {
                    if(((f >> (i << 1)) & 3) == 1) {
                        k = i;
                        break;
                    }
                }
                // printf("#%d %llu\n", k, x);
                if(k == -1) {
                    printf("%llu\n", x);
                } else {
                    u64 y = to64(query(1, 1, n, l, r, k));
                    for(int i = 0; i < 64; i++) {
                        if(((f >> (i << 1)) & 3) == 1 && (((y >> i) & 1) == 0)) {
                            x |= (1ull << i);
                        }
                    }
                    printf("%llu\n", x);
                }
                break;
            }
        }
    }
    return 0;
}