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12791149132 = 222923802363
BaseRepresentation
bin10111110100110100…
…10111001001001100
31020000102210200221011
423322122113021030
5202144013233012
65513130415004
7631655654656
oct137232271114
936012720834
1012791149132
1154742a7733
12258b891464
13128b038bc8
14894b216d6
154ece4a1a7
hex2fa69724c

12791149132 has 18 divisors (see below), whose sum is σ = 23183013308. Its totient is φ = 6175035888.

The previous prime is 12791149081. The next prime is 12791149193. The reversal of 12791149132 is 23194119721.

It is a super-2 number, since 2×127911491322 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1897818 + ... + 1904545.

Almost surely, 212791149132 is an apocalyptic number.

It is an amenable number.

12791149132 is a deficient number, since it is larger than the sum of its proper divisors (10391864176).

12791149132 is a wasteful number, since it uses less digits than its factorization.

12791149132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3802425 (or 3802394 counting only the distinct ones).

The product of its digits is 27216, while the sum is 40.

The spelling of 12791149132 in words is "twelve billion, seven hundred ninety-one million, one hundred forty-nine thousand, one hundred thirty-two".

Divisors: 1 2 4 29 58 116 841 1682 3364 3802363 7604726 15209452 110268527 220537054 441074108 3197787283 6395574566 12791149132