Base | Representation |
---|---|
bin | 11100111000100011… |
… | …000110101101010011 |
3 | 2222001101100220211100 |
4 | 130320203012231103 |
5 | 1002003423411213 |
6 | 22125234515443 |
7 | 2145354244410 |
oct | 347043065523 |
9 | 88041326740 |
10 | 31013497683 |
11 | 12175346923 |
12 | 6016435b83 |
13 | 2c03349b7c |
14 | 1702cab107 |
15 | c17ac4773 |
hex | 7388c6b53 |
31013497683 has 12 divisors (see below), whose sum is σ = 51196885168. Its totient is φ = 17721998640.
The previous prime is 31013497661. The next prime is 31013497687. The reversal of 31013497683 is 38679431013.
It is not a de Polignac number, because 31013497683 - 220 = 31012449107 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31013497687) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246138808 + ... + 246138933.
Almost surely, 231013497683 is an apocalyptic number.
31013497683 is a deficient number, since it is larger than the sum of its proper divisors (20183387485).
31013497683 is a wasteful number, since it uses less digits than its factorization.
31013497683 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 492277754 (or 492277751 counting only the distinct ones).
The product of its (nonzero) digits is 326592, while the sum is 45.
The spelling of 31013497683 in words is "thirty-one billion, thirteen million, four hundred ninety-seven thousand, six hundred eighty-three".
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