Base | Representation |
---|---|
bin | 1110110110111000100… |
… | …1000010000001110001 |
3 | 220101211212122211102202 |
4 | 3231232021002001301 |
5 | 13140223214304300 |
6 | 313132145152545 |
7 | 24304233056621 |
oct | 3555611020161 |
9 | 811755584382 |
10 | 255250931825 |
11 | 9928455102a |
12 | 4157702b755 |
13 | 1b0babc8346 |
14 | c4d5d52881 |
15 | 698dcdaad5 |
hex | 3b6e242071 |
255250931825 has 6 divisors (see below), whose sum is σ = 316511155494. Its totient is φ = 204200745440.
The previous prime is 255250931813. The next prime is 255250931851. The reversal of 255250931825 is 528139052552.
It can be written as a sum of positive squares in 3 ways, for example, as 3847969024 + 251402962801 = 62032^2 + 501401^2 .
It is not a de Polignac number, because 255250931825 - 214 = 255250915441 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 255250931825.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5105018612 + ... + 5105018661.
It is an arithmetic number, because the mean of its divisors is an integer number (52751859249).
Almost surely, 2255250931825 is an apocalyptic number.
255250931825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
255250931825 is a deficient number, since it is larger than the sum of its proper divisors (61260223669).
255250931825 is a wasteful number, since it uses less digits than its factorization.
255250931825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10210037283 (or 10210037278 counting only the distinct ones).
The product of its (nonzero) digits is 1080000, while the sum is 47.
The spelling of 255250931825 in words is "two hundred fifty-five billion, two hundred fifty million, nine hundred thirty-one thousand, eight hundred twenty-five".
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