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12696942288 = 243281941351
BaseRepresentation
bin10111101001100101…
…11111011011010000
31012202212112111102210
423310302333123100
5202000404123123
65455523312120
7626433141312
oct136462773320
935685474383
1012696942288
115426102738
12256421b640
131274673204
148863db7b2
154e4a3be93
hex2f4cbf6d0

12696942288 has 40 divisors (see below), whose sum is σ = 32917196736. Its totient is φ = 4217248000.

The previous prime is 12696942257. The next prime is 12696942317. The reversal of 12696942288 is 88224969621.

It is a happy number.

It is a super-2 number, since 2×126969422882 (a number of 21 digits) contains 22 as substring.

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, 457188 + ... + 484163.

Almost surely, 212696942288 is an apocalyptic number.

It is an amenable number.

12696942288 is an abundant number, since it is smaller than the sum of its proper divisors (20220254448).

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

12696942288 is a wasteful number, since it uses less digits than its factorization.

12696942288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941643 (or 941637 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 57.

The spelling of 12696942288 in words is "twelve billion, six hundred ninety-six million, nine hundred forty-two thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 281 562 843 1124 1686 2248 3372 4496 6744 13488 941351 1882702 2824053 3765404 5648106 7530808 11296212 15061616 22592424 45184848 264519631 529039262 793558893 1058078524 1587117786 2116157048 3174235572 4232314096 6348471144 12696942288