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12650934968 = 2371976411789
BaseRepresentation
bin10111100100000110…
…11111001010111000
31012122122222002020222
423302003133022320
5201402114404333
65451201235212
7625334113220
oct136203371270
935578862228
1012650934968
115402139761
122550932b08
131267c85249
14880263080
154e09a0298
hex2f20df2b8

12650934968 has 64 divisors (see below), whose sum is σ = 27304516800. Its totient is φ = 5382881280.

The previous prime is 12650934953. The next prime is 12650934971. The reversal of 12650934968 is 86943905621.

It is a super-2 number, since 2×126509349682 (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 15 ways as a sum of consecutive naturals, for example, 7070618 + ... + 7072406.

It is an arithmetic number, because the mean of its divisors is an integer number (426633075).

Almost surely, 212650934968 is an apocalyptic number.

It is an amenable number.

12650934968 is an abundant number, since it is smaller than the sum of its proper divisors (14653581832).

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

12650934968 is a wasteful number, since it uses less digits than its factorization.

12650934968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640 (or 2636 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 12650934968 in words is "twelve billion, six hundred fifty million, nine hundred thirty-four thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 56 197 394 641 788 1282 1379 1576 1789 2564 2758 3578 4487 5128 5516 7156 8974 11032 12523 14312 17948 25046 35896 50092 100184 126277 252554 352433 505108 704866 883939 1010216 1146749 1409732 1767878 2293498 2467031 2819464 3535756 4586996 4934062 7071512 8027243 9173992 9868124 16054486 19736248 32108972 64217944 225909553 451819106 903638212 1581366871 1807276424 3162733742 6325467484 12650934968