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12137623886 = 26068811943
BaseRepresentation
bin10110100110111010…
…10111000101001110
31011022220002011211102
423103131113011032
5144324212431021
65324223223102
7606532046363
oct132335270516
934286064742
1012137623886
115169410523
122428a47a92
1311b581c48b
1483200446a
154b08a800b
hex2d375714e

12137623886 has 4 divisors (see below), whose sum is σ = 18206435832. Its totient is φ = 6068811942.

The previous prime is 12137623829. The next prime is 12137623891. The reversal of 12137623886 is 68832673121.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12137623886.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3034405970 + ... + 3034405973.

It is an arithmetic number, because the mean of its divisors is an integer number (4551608958).

Almost surely, 212137623886 is an apocalyptic number.

12137623886 is a deficient number, since it is larger than the sum of its proper divisors (6068811946).

12137623886 is an equidigital number, since it uses as much as digits as its factorization.

12137623886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068811945.

The product of its digits is 580608, while the sum is 47.

The spelling of 12137623886 in words is "twelve billion, one hundred thirty-seven million, six hundred twenty-three thousand, eight hundred eighty-six".

Divisors: 1 2 6068811943 12137623886