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131012132220204 = 22323670001708479
BaseRepresentation
bin11101110010011110100011…
…100110100010110100101100
3122011212122012202100100121220
4131302132203212202310230
5114133000321322021304
61142350050452023340
736411212524503054
oct3562364346426454
9564778182310556
10131012132220204
1138820a2a182794
121283b042001b50
1358145111ca741
14244d041a00564
151022dd5e9bad9
hex7727a39a2d2c

131012132220204 has 48 divisors (see below), whose sum is σ = 318986987397120. Its totient is φ = 41771862880000.

The previous prime is 131012132220197. The next prime is 131012132220251. The reversal of 131012132220204 is 402022231210131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184566037 + ... + 185274515.

It is an arithmetic number, because the mean of its divisors is an integer number (6645562237440).

Almost surely, 2131012132220204 is an apocalyptic number.

It is an amenable number.

131012132220204 is an abundant number, since it is smaller than the sum of its proper divisors (187974855176916).

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

131012132220204 is a wasteful number, since it uses less digits than its factorization.

131012132220204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378510 (or 1378508 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 131012132220204 its reverse (402022231210131), we get a palindrome (533034363430335).

The spelling of 131012132220204 in words is "one hundred thirty-one trillion, twelve billion, one hundred thirty-two million, two hundred twenty thousand, two hundred four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 670001 708479 1340002 1416958 2010003 2125437 2680004 2833916 4020006 4250874 8040012 8501748 15410023 16295017 30820046 32590034 46230069 48885051 61640092 65180068 92460138 97770102 184920276 195540204 474681638479 949363276958 1424044915437 1898726553916 2848089830874 5696179661748 10917677685017 21835355370034 32753033055051 43670710740068 65506066110102 131012132220204