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12572005004 = 2213241769327
BaseRepresentation
bin10111011010101100…
…11001001010001100
31012110011110000200222
423231112121022030
5201221413130004
65435301410512
7623355164546
oct135526311214
935404400628
1012572005004
115371629489
12252a409a38
13125480ac20
14873998696
154d8aad7be
hex2ed59928c

12572005004 has 12 divisors (see below), whose sum is σ = 23693394144. Its totient is φ = 5802463824.

The previous prime is 12572005001. The next prime is 12572005009. The reversal of 12572005004 is 40050027521.

12572005004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (12572005001) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 120884612 + ... + 120884715.

It is an arithmetic number, because the mean of its divisors is an integer number (1974449512).

Almost surely, 212572005004 is an apocalyptic number.

It is an amenable number.

12572005004 is a deficient number, since it is larger than the sum of its proper divisors (11121389140).

12572005004 is a wasteful number, since it uses less digits than its factorization.

12572005004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241769344 (or 241769342 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The spelling of 12572005004 in words is "twelve billion, five hundred seventy-two million, five thousand, four".

Divisors: 1 2 4 13 26 52 241769327 483538654 967077308 3143001251 6286002502 12572005004