Base | Representation |
---|---|
bin | 101111100010110110… |
… | …110010111001010011 |
3 | 11212202210210222202200 |
4 | 233202312302321103 |
5 | 1314022431432230 |
6 | 35241412414243 |
7 | 3455040260532 |
oct | 574266627123 |
9 | 155683728680 |
10 | 51050655315 |
11 | 1a717844a30 |
12 | 9a88917383 |
13 | 4a7763466a |
14 | 26840a6319 |
15 | 14dbc30160 |
hex | be2db2e53 |
51050655315 has 72 divisors (see below), whose sum is σ = 96977475504. Its totient is φ = 24638160000.
The previous prime is 51050655281. The next prime is 51050655319. The reversal of 51050655315 is 51355605015.
51050655315 is a `hidden beast` number, since 5 + 10 + 50 + 65 + 531 + 5 = 666.
It is not a de Polignac number, because 51050655315 - 26 = 51050655251 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 51050655315.
It is not an unprimeable number, because it can be changed into a prime (51050655319) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 31184677 + ... + 31186313.
It is an arithmetic number, because the mean of its divisors is an integer number (1346909382).
Almost surely, 251050655315 is an apocalyptic number.
51050655315 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
51050655315 is a deficient number, since it is larger than the sum of its proper divisors (45926820189).
51050655315 is a wasteful number, since it uses less digits than its factorization.
51050655315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2161 (or 1907 counting only the distinct ones).
The product of its (nonzero) digits is 56250, while the sum is 36.
The spelling of 51050655315 in words is "fifty-one billion, fifty million, six hundred fifty-five thousand, three hundred fifteen".
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