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12532510516 = 2210093105181
BaseRepresentation
bin10111010101111111…
…01110111100110100
31012100102010111110011
423222333232330310
5201131310314031
65431331110004
7622365403351
oct135277567464
935312114404
1012532510516
115351303709
122519142304
1312495904c6
1486c637628
154d53ab6b1
hex2eafeef34

12532510516 has 12 divisors (see below), whose sum is σ = 21953636740. Its totient is φ = 6260042880.

The previous prime is 12532510511. The next prime is 12532510553. The reversal of 12532510516 is 61501523521.

It can be written as a sum of positive squares in 2 ways, for example, as 3272297616 + 9260212900 = 57204^2 + 96230^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12532510511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1548555 + ... + 1556626.

Almost surely, 212532510516 is an apocalyptic number.

It is an amenable number.

12532510516 is a deficient number, since it is larger than the sum of its proper divisors (9421126224).

12532510516 is a wasteful number, since it uses less digits than its factorization.

12532510516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106194 (or 3106192 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 12532510516 in words is "twelve billion, five hundred thirty-two million, five hundred ten thousand, five hundred sixteen".

Divisors: 1 2 4 1009 2018 4036 3105181 6210362 12420724 3133127629 6266255258 12532510516