Base | Representation |
---|---|
bin | 11101001101101100… |
… | …100111111111011101 |
3 | 2222222010000111110201 |
4 | 131031230213333131 |
5 | 1003220242033340 |
6 | 22224351503501 |
7 | 2160223163650 |
oct | 351554477735 |
9 | 88863014421 |
10 | 31368314845 |
11 | 1233766124a |
12 | 60b5227b91 |
13 | 2c5b9cb85a |
14 | 173806d897 |
15 | c38d1079a |
hex | 74db27fdd |
31368314845 has 16 divisors (see below), whose sum is σ = 43414081920. Its totient is φ = 21312362304.
The previous prime is 31368314819. The next prime is 31368314851. The reversal of 31368314845 is 54841386313.
It is a cyclic number.
It is not a de Polignac number, because 31368314845 - 27 = 31368314717 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31368314795 and 31368314804.
It is a congruent number.
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, 4107367 + ... + 4114996.
It is an arithmetic number, because the mean of its divisors is an integer number (2713380120).
Almost surely, 231368314845 is an apocalyptic number.
31368314845 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
31368314845 is a deficient number, since it is larger than the sum of its proper divisors (12045767075).
31368314845 is a wasteful number, since it uses less digits than its factorization.
31368314845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8222484.
The product of its digits is 829440, while the sum is 46.
The spelling of 31368314845 in words is "thirty-one billion, three hundred sixty-eight million, three hundred fourteen thousand, eight hundred forty-five".
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