Base | Representation |
---|---|
bin | 11100111111100000… |
… | …000010001010111011 |
3 | 2222100111211121122112 |
4 | 130333200002022323 |
5 | 1002223303230204 |
6 | 22145002442535 |
7 | 2151301523525 |
oct | 347740021273 |
9 | 88314747575 |
10 | 31130133179 |
11 | 1222516a8a2 |
12 | 604950344b |
13 | 2c21566562 |
14 | 171458ca15 |
15 | c22e6326e |
hex | 73f8022bb |
31130133179 has 2 divisors, whose sum is σ = 31130133180. Its totient is φ = 31130133178.
The previous prime is 31130133137. The next prime is 31130133283. The reversal of 31130133179 is 97133103113.
It is a weak prime.
It is an emirp because it is prime and its reverse (97133103113) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 31130133179 - 216 = 31130067643 is a prime.
It is not a weakly prime, because it can be changed into another prime (31136133179) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15565066589 + 15565066590.
It is an arithmetic number, because the mean of its divisors is an integer number (15565066590).
Almost surely, 231130133179 is an apocalyptic number.
31130133179 is a deficient number, since it is larger than the sum of its proper divisors (1).
31130133179 is an equidigital number, since it uses as much as digits as its factorization.
31130133179 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5103, while the sum is 32.
The spelling of 31130133179 in words is "thirty-one billion, one hundred thirty million, one hundred thirty-three thousand, one hundred seventy-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •