Base | Representation |
---|---|
bin | 1011101010011011… |
… | …0110101010100101 |
3 | 22002012001110021020 |
4 | 2322212312222211 |
5 | 22402432410212 |
6 | 1234354441353 |
7 | 140403625620 |
oct | 27246665245 |
9 | 8065043236 |
10 | 3130747557 |
11 | 1367252a83 |
12 | 734593259 |
13 | 3ab802362 |
14 | 219b1cdb7 |
15 | 134cbdd8c |
hex | ba9b6aa5 |
3130747557 has 32 divisors (see below), whose sum is σ = 5270925312. Its totient is φ = 1610552064.
The previous prime is 3130747549. The next prime is 3130747579. The reversal of 3130747557 is 7557470313.
It is not a de Polignac number, because 3130747557 - 23 = 3130747549 is a prime.
It is a super-2 number, since 2×31307475572 = 19603160531322936498, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3130747517) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182433 + ... + 198854.
It is an arithmetic number, because the mean of its divisors is an integer number (164716416).
Almost surely, 23130747557 is an apocalyptic number.
It is an amenable number.
3130747557 is a deficient number, since it is larger than the sum of its proper divisors (2140177755).
3130747557 is a wasteful number, since it uses less digits than its factorization.
3130747557 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 381337.
The product of its (nonzero) digits is 308700, while the sum is 42.
The square root of 3130747557 is about 55953.0835343326. The cubic root of 3130747557 is about 1462.9046379522.
The spelling of 3130747557 in words is "three billion, one hundred thirty million, seven hundred forty-seven thousand, five hundred fifty-seven".
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