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12631392368 = 247112780289
BaseRepresentation
bin10111100001110001…
…11100000001110000
31012121022012012211222
423300320330001300
5201332114023433
65445222324212
7625006030550
oct136070740160
935538165758
1012631392368
1153a2101051
122546289668
131263c0208a
1487b817160
154ddddeb98
hex2f0e3c070

12631392368 has 20 divisors (see below), whose sum is σ = 27969511920. Its totient is φ = 5413453824.

The previous prime is 12631392359. The next prime is 12631392419. The reversal of 12631392368 is 86329313621.

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, 56390033 + ... + 56390256.

It is an arithmetic number, because the mean of its divisors is an integer number (1398475596).

Almost surely, 212631392368 is an apocalyptic number.

It is an amenable number.

12631392368 is an abundant number, since it is smaller than the sum of its proper divisors (15338119552).

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

12631392368 is a wasteful number, since it uses less digits than its factorization.

12631392368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112780304 (or 112780298 counting only the distinct ones).

The product of its digits is 279936, while the sum is 44.

The spelling of 12631392368 in words is "twelve billion, six hundred thirty-one million, three hundred ninety-two thousand, three hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 112780289 225560578 451121156 789462023 902242312 1578924046 1804484624 3157848092 6315696184 12631392368