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12131200482 = 232978788589
BaseRepresentation
bin10110100110001001…
…10110110111100010
31011022102222211120120
423103010312313202
5144321041403412
65323433421110
7606423334302
oct132304666742
934272884516
1012131200482
115165823525
12242686a796
1311b43b084b
14831211602
154b0039b8c
hex2d3136de2

12131200482 has 32 divisors (see below), whose sum is σ = 25131211200. Its totient is φ = 3899289408.

The previous prime is 12131200469. The next prime is 12131200483. The reversal of 12131200482 is 28400213121.

It is not an unprimeable number, because it can be changed into a prime (12131200483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92644 + ... + 181232.

It is an arithmetic number, because the mean of its divisors is an integer number (785350350).

Almost surely, 212131200482 is an apocalyptic number.

12131200482 is an abundant number, since it is smaller than the sum of its proper divisors (13000010718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12131200482 is a wasteful number, since it uses less digits than its factorization.

12131200482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89410.

The product of its (nonzero) digits is 768, while the sum is 24.

The spelling of 12131200482 in words is "twelve billion, one hundred thirty-one million, two hundred thousand, four hundred eighty-two".

Divisors: 1 2 3 6 29 58 87 174 787 1574 2361 4722 22823 45646 68469 88589 136938 177178 265767 531534 2569081 5138162 7707243 15414486 69719543 139439086 209158629 418317258 2021866747 4043733494 6065600241 12131200482