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112012102131 = 3234139594239
BaseRepresentation
bin110100001010001110…
…0010000100111110011
3101201010022112100121020
41220110130100213303
53313400044232011
6123242504030523
711043523105266
oct1502434204763
9351108470536
10112012102131
114355aa03236
1219860762443
13a741320897
1455c850ccdd
152da8a9b006
hex1a147109f3

112012102131 has 16 divisors (see below), whose sum is σ = 159643975680. Its totient is φ = 69685858880.

The previous prime is 112012102063. The next prime is 112012102157. The reversal of 112012102131 is 131201210211.

It is a cyclic number.

It is not a de Polignac number, because 112012102131 - 210 = 112012101107 is a prime.

It is a super-2 number, since 2×1120121021312 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112012102131.

It is not an unprimeable number, because it can be changed into a prime (112012102171) 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 15 ways as a sum of consecutive naturals, for example, 19794291 + ... + 19799948.

It is an arithmetic number, because the mean of its divisors is an integer number (9977748480).

Almost surely, 2112012102131 is an apocalyptic number.

112012102131 is a deficient number, since it is larger than the sum of its proper divisors (47631873549).

112012102131 is a wasteful number, since it uses less digits than its factorization.

112012102131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39594306.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 112012102131 its reverse (131201210211), we get a palindrome (243213312342).

The spelling of 112012102131 in words is "one hundred twelve billion, twelve million, one hundred two thousand, one hundred thirty-one".

Divisors: 1 3 23 41 69 123 943 2829 39594239 118782717 910667497 1623363799 2732002491 4870091397 37337367377 112012102131