Base | Representation |
---|---|
bin | 11100111010100100… |
… | …000100010011001011 |
3 | 2222010201222110220210 |
4 | 130322210010103023 |
5 | 1002041102220040 |
6 | 22132443252203 |
7 | 2146244506302 |
oct | 347244042313 |
9 | 88121873823 |
10 | 31047304395 |
11 | 12192437358 |
12 | 602581a063 |
13 | 2c0a355743 |
14 | 170758b439 |
15 | c1aa51480 |
hex | 73a9044cb |
31047304395 has 64 divisors (see below), whose sum is σ = 51765120000. Its totient is φ = 15876850176.
The previous prime is 31047304373. The next prime is 31047304427. The reversal of 31047304395 is 59340374013.
It is not a de Polignac number, because 31047304395 - 25 = 31047304363 is a prime.
It is a super-2 number, since 2×310473043952 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12037216 + ... + 12039794.
It is an arithmetic number, because the mean of its divisors is an integer number (808830000).
Almost surely, 231047304395 is an apocalyptic number.
31047304395 is a deficient number, since it is larger than the sum of its proper divisors (20717815605).
31047304395 is a wasteful number, since it uses less digits than its factorization.
31047304395 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2932.
The product of its (nonzero) digits is 136080, while the sum is 39.
The spelling of 31047304395 in words is "thirty-one billion, forty-seven million, three hundred four thousand, three hundred ninety-five".
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