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12739108564 = 2271334997551
BaseRepresentation
bin10111101110100111…
…10101111011010100
31012212210212202200201
423313103311323110
5202042202433224
65504031150244
7630454431130
oct136723657324
935783782621
1012739108564
1154479928a6
122576375384
131280317a80
1488bc563c0
154e85baa44
hex2f74f5ed4

12739108564 has 24 divisors (see below), whose sum is σ = 27438080768. Its totient is φ = 5039647200.

The previous prime is 12739108537. The next prime is 12739108637. The reversal of 12739108564 is 46580193721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17498412 + ... + 17499139.

It is a 1-persistent number, because it is pandigital, but 2⋅12739108564 = 25478217128 is not.

Almost surely, 212739108564 is an apocalyptic number.

12739108564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12739108564 is an abundant number, since it is smaller than the sum of its proper divisors (14698972204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12739108564 is a wasteful number, since it uses less digits than its factorization.

12739108564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34997575 (or 34997573 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 12739108564 in words is "twelve billion, seven hundred thirty-nine million, one hundred eight thousand, five hundred sixty-four".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 34997551 69995102 139990204 244982857 454968163 489965714 909936326 979931428 1819872652 3184777141 6369554282 12739108564