Search a number
-
+
12791402504 = 2312291300997
BaseRepresentation
bin10111110100110110…
…10101000000001000
31020000110021120111022
423322123111000020
5202144044340004
65513140052012
7631661061446
oct137233250010
936013246438
1012791402504
115474460031
12258b994008
13128b0c732a
14894b89b96
154ece9a2be
hex2fa6d5008

12791402504 has 16 divisors (see below), whose sum is σ = 24003413100. Its totient is φ = 6390492352.

The previous prime is 12791402479. The next prime is 12791402527. The reversal of 12791402504 is 40520419721.

It can be written as a sum of positive squares in 2 ways, for example, as 12762220900 + 29181604 = 112970^2 + 5402^2 .

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, 640667 + ... + 660330.

Almost surely, 212791402504 is an apocalyptic number.

It is an amenable number.

12791402504 is a deficient number, since it is larger than the sum of its proper divisors (11212010596).

12791402504 is a wasteful number, since it uses less digits than its factorization.

12791402504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302232 (or 1302228 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 12791402504 in words is "twelve billion, seven hundred ninety-one million, four hundred two thousand, five hundred four".

Divisors: 1 2 4 8 1229 2458 4916 9832 1300997 2601994 5203988 10407976 1598925313 3197850626 6395701252 12791402504