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12152512975 = 52486100519
BaseRepresentation
bin10110101000101100…
…01010000111001111
31011100221002121211011
423110112022013033
5144342020403400
65325514310051
7610102440661
oct132426120717
934327077734
1012152512975
11517685a959
122431a28327
1311b89334a5
14833d9c531
154b1d498ba
hex2d458a1cf

12152512975 has 6 divisors (see below), whose sum is σ = 15069116120. Its totient is φ = 9722010360.

The previous prime is 12152512973. The next prime is 12152512979. The reversal of 12152512975 is 57921525121.

12152512975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12152512975 - 21 = 12152512973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12152512973) 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 5 ways as a sum of consecutive naturals, for example, 243050235 + ... + 243050284.

Almost surely, 212152512975 is an apocalyptic number.

12152512975 is a deficient number, since it is larger than the sum of its proper divisors (2916603145).

12152512975 is an equidigital number, since it uses as much as digits as its factorization.

12152512975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486100529 (or 486100524 counting only the distinct ones).

The product of its digits is 63000, while the sum is 40.

The spelling of 12152512975 in words is "twelve billion, one hundred fifty-two million, five hundred twelve thousand, nine hundred seventy-five".

Divisors: 1 5 25 486100519 2430502595 12152512975