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10131321112 = 2311115128649
BaseRepresentation
bin10010110111101111…
…11011000100011000
3222011001212102211021
421123313323010120
5131222104233422
64353153212224
7506030544223
oct113367730430
928131772737
1010131321112
114329959560
121b68b61074
13c55c79383
146c17885ba
153e469cdc7
hex25bdfb118

10131321112 has 16 divisors (see below), whose sum is σ = 20723157000. Its totient is φ = 4605145920.

The previous prime is 10131321107. The next prime is 10131321127. The reversal of 10131321112 is 21112313101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57564237 + ... + 57564412.

Almost surely, 210131321112 is an apocalyptic number.

It is an amenable number.

10131321112 is an abundant number, since it is smaller than the sum of its proper divisors (10591835888).

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

10131321112 is a wasteful number, since it uses less digits than its factorization.

10131321112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115128666 (or 115128662 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10131321112 its reverse (21112313101), we get a palindrome (31243634213).

The spelling of 10131321112 in words is "ten billion, one hundred thirty-one million, three hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 115128649 230257298 460514596 921029192 1266415139 2532830278 5065660556 10131321112