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13188080536 = 2311931381819
BaseRepresentation
bin11000100100001001…
…00010001110011000
31021001002200220110021
430102010202032120
5204002122034121
610020350200224
7644545556251
oct142204421630
937032626407
1013188080536
115658367114
1226807b3074
131322344867
148d1727b28
15522c04641
hex312122398

13188080536 has 16 divisors (see below), whose sum is σ = 24748396200. Its totient is φ = 6588508224.

The previous prime is 13188080509. The next prime is 13188080567. The reversal of 13188080536 is 63508088131.

It is a junction number, because it is equal to n+sod(n) for n = 13188080492 and 13188080501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681366 + ... + 700453.

Almost surely, 213188080536 is an apocalyptic number.

It is an amenable number.

13188080536 is a deficient number, since it is larger than the sum of its proper divisors (11560315664).

13188080536 is a wasteful number, since it uses less digits than its factorization.

13188080536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383018 (or 1383014 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 13188080536 in words is "thirteen billion, one hundred eighty-eight million, eighty thousand, five hundred thirty-six".

Divisors: 1 2 4 8 1193 2386 4772 9544 1381819 2763638 5527276 11054552 1648510067 3297020134 6594040268 13188080536