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12672159696 = 24347329983
BaseRepresentation
bin10111100110101000…
…11100111111010000
31012201010220102010000
423303110130333100
5201423033102241
65453240210000
7626012403000
oct136324347720
935633812100
1012672159696
115413116159
122557a69900
13126c4a6c61
14882dca000
154e2793eb6
hex2f351cfd0

12672159696 has 400 divisors, whose sum is σ = 44291808000. Its totient is φ = 3492211968.

The previous prime is 12672159679. The next prime is 12672159697. The reversal of 12672159696 is 69695127621.

12672159696 is a `hidden beast` number, since 1 + 26 + 7 + 21 + 596 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12672159697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 12890821 + ... + 12891803.

It is an arithmetic number, because the mean of its divisors is an integer number (110729520).

Almost surely, 212672159696 is an apocalyptic number.

12672159696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12672159696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22145904000).

12672159696 is an abundant number, since it is smaller than the sum of its proper divisors (31619648304).

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

12672159696 is an equidigital number, since it uses as much as digits as its factorization.

12672159696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053 (or 1024 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The spelling of 12672159696 in words is "twelve billion, six hundred seventy-two million, one hundred fifty-nine thousand, six hundred ninety-six".