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1312102122 = 239719911329
BaseRepresentation
bin100111000110101…
…0001011011101010
310101102221200201220
41032031101123222
510141344231442
6334110522510
744341453422
oct11615213352
93342850656
101312102122
11613713821
12307506436
1317bab45b6
14c6391482
157a2d0eec
hex4e3516ea

1312102122 has 32 divisors (see below), whose sum is σ = 2664816000. Its totient is φ = 430645248.

The previous prime is 1312102111. The next prime is 1312102139. The reversal of 1312102122 is 2212012131.

It is a super-2 number, since 2×13121021222 = 3443223957113805768, which contains 22 as substring.

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, 110154 + ... + 121482.

It is an arithmetic number, because the mean of its divisors is an integer number (83275500).

Almost surely, 21312102122 is an apocalyptic number.

1312102122 is an abundant number, since it is smaller than the sum of its proper divisors (1352713878).

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

1312102122 is a wasteful number, since it uses less digits than its factorization.

1312102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11630.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1312102122 is about 36222.9502111576. The cubic root of 1312102122 is about 1094.7691379609.

Adding to 1312102122 its reverse (2212012131), we get a palindrome (3524114253).

The spelling of 1312102122 in words is "one billion, three hundred twelve million, one hundred two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 97 194 199 291 398 582 597 1194 11329 19303 22658 33987 38606 57909 67974 115818 1098913 2197826 2254471 3296739 4508942 6593478 6763413 13526826 218683687 437367374 656051061 1312102122