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12492670286 = 21729109116239
BaseRepresentation
bin10111010001001111…
…10000010101001110
31012020122011101221002
423220213300111032
5201041110422121
65423345140302
7621402642155
oct135047602516
935218141832
1012492670286
1153308720a8
12250792a692
1312412515c5
1486722659c
154d1b3be0b
hex2e89f054e

12492670286 has 32 divisors (see below), whose sum is σ = 20713968000. Its totient is φ = 5624059392.

The previous prime is 12492670279. The next prime is 12492670301. The reversal of 12492670286 is 68207629421.

12492670286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12492670286.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49355 + ... + 165593.

It is an arithmetic number, because the mean of its divisors is an integer number (647311500).

Almost surely, 212492670286 is an apocalyptic number.

12492670286 is a deficient number, since it is larger than the sum of its proper divisors (8221297714).

12492670286 is a wasteful number, since it uses less digits than its factorization.

12492670286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116396.

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

The spelling of 12492670286 in words is "twelve billion, four hundred ninety-two million, six hundred seventy thousand, two hundred eighty-six".

Divisors: 1 2 17 29 34 58 109 218 493 986 1853 3161 3706 6322 53737 107474 116239 232478 1976063 3370931 3952126 6741862 12670051 25340102 57305827 114611654 215390867 367431479 430781734 734862958 6246335143 12492670286