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2012531755131 = 3464338640857
BaseRepresentation
bin11101010010010100001…
…111011000100001111011
321010101200210112222020000
4131102110033120201323
5230433131112131011
64140313324004043
7265254261444222
oct35222417304173
97111623488200
102012531755131
11706567788a07
12286060990623
13117a1c91bab1
146d59ad6bcb9
153753d28a356
hex1d4943d887b

2012531755131 has 20 divisors (see below), whose sum is σ = 3011050218792. Its totient is φ = 1339601195808.

The previous prime is 2012531755127. The next prime is 2012531755189. The reversal of 2012531755131 is 1315571352102.

2012531755131 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 531 + 75 + 51 + 3 + 1 = 666.

It is not a de Polignac number, because 2012531755131 - 22 = 2012531755127 is a prime.

It is a super-2 number, since 2×20125317551312 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2012531755121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19268346 + ... + 19372511.

Almost surely, 22012531755131 is an apocalyptic number.

2012531755131 is a deficient number, since it is larger than the sum of its proper divisors (998518463661).

2012531755131 is an equidigital number, since it uses as much as digits as its factorization.

2012531755131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38641512 (or 38641503 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The spelling of 2012531755131 in words is "two trillion, twelve billion, five hundred thirty-one million, seven hundred fifty-five thousand, one hundred thirty-one".

Divisors: 1 3 9 27 81 643 1929 5787 17361 52083 38640857 115922571 347767713 1043303139 3129909417 24846071051 74538213153 223614639459 670843918377 2012531755131