Search a number
-
+
12513125204 = 2229273139499
BaseRepresentation
bin10111010011101011…
…10010001101010100
31012022001122121210122
423221311302031110
5201111330001304
65425355411112
7622041544406
oct135165621524
935261577718
1012513125204
115341373198
122512753a98
131245563ac8
14869c2cb76
154d382c9be
hex2e9d72354

12513125204 has 24 divisors (see below), whose sum is σ = 22661940000. Its totient is φ = 6038454240.

The previous prime is 12513125159. The next prime is 12513125239. The reversal of 12513125204 is 40252131521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297047 + ... + 336545.

It is an arithmetic number, because the mean of its divisors is an integer number (944247500).

Almost surely, 212513125204 is an apocalyptic number.

It is an amenable number.

12513125204 is a deficient number, since it is larger than the sum of its proper divisors (10148814796).

12513125204 is a wasteful number, since it uses less digits than its factorization.

12513125204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42263 (or 42261 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 12513125204 its reverse (40252131521), we get a palindrome (52765256725).

The spelling of 12513125204 in words is "twelve billion, five hundred thirteen million, one hundred twenty-five thousand, two hundred four".

Divisors: 1 2 4 29 58 116 2731 5462 10924 39499 78998 79199 157996 158398 316796 1145471 2290942 4581884 107871769 215743538 431487076 3128281301 6256562602 12513125204