Base | Representation |
---|---|
bin | 100111000110101… |
… | …0001011011101010 |
3 | 10101102221200201220 |
4 | 1032031101123222 |
5 | 10141344231442 |
6 | 334110522510 |
7 | 44341453422 |
oct | 11615213352 |
9 | 3342850656 |
10 | 1312102122 |
11 | 613713821 |
12 | 307506436 |
13 | 17bab45b6 |
14 | c6391482 |
15 | 7a2d0eec |
hex | 4e3516ea |
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".
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