Base | Representation |
---|---|
bin | 11100111000100011… |
… | …101001101111101101 |
3 | 2222001101122012200200 |
4 | 130320203221233231 |
5 | 1002003443004242 |
6 | 22125241544113 |
7 | 2145355413000 |
oct | 347043515755 |
9 | 88041565620 |
10 | 31013641197 |
11 | 12175434730 |
12 | 60164a5039 |
13 | 2c0339a2a6 |
14 | 1702d07537 |
15 | c17b0204c |
hex | 7388e9bed |
31013641197 has 48 divisors (see below), whose sum is σ = 56991292800. Its totient is φ = 16110964800.
The previous prime is 31013641181. The next prime is 31013641199. The reversal of 31013641197 is 79114631013.
31013641197 is a `hidden beast` number, since 3 + 1 + 0 + 1 + 3 + 641 + 1 + 9 + 7 = 666.
It is not a de Polignac number, because 31013641197 - 24 = 31013641181 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31013641199) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 422704 + ... + 490617.
It is an arithmetic number, because the mean of its divisors is an integer number (1187318600).
Almost surely, 231013641197 is an apocalyptic number.
It is an amenable number.
31013641197 is a deficient number, since it is larger than the sum of its proper divisors (25977651603).
31013641197 is a wasteful number, since it uses less digits than its factorization.
31013641197 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 913359 (or 913342 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 36.
The spelling of 31013641197 in words is "thirty-one billion, thirteen million, six hundred forty-one thousand, one hundred ninety-seven".
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