Base | Representation |
---|---|
bin | 110010001011011111… |
… | …101010110101111000 |
3 | 12011001222121200011200 |
4 | 302023133222311320 |
5 | 1340321231130040 |
6 | 40430242054200 |
7 | 3615123645345 |
oct | 621337526570 |
9 | 164058550150 |
10 | 53879942520 |
11 | 20939906318 |
12 | a53834a360 |
13 | 51088472c1 |
14 | 2871b517cc |
15 | 1605302630 |
hex | c8b7ead78 |
53879942520 has 96 divisors (see below), whose sum is σ = 175989996000. Its totient is φ = 14295764736.
The previous prime is 53879942513. The next prime is 53879942521. The reversal of 53879942520 is 2524997835.
53879942520 is a `hidden beast` number, since 5 + 3 + 8 + 79 + 9 + 42 + 520 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53879942521) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 304407 + ... + 447686.
It is an arithmetic number, because the mean of its divisors is an integer number (1833229125).
Almost surely, 253879942520 is an apocalyptic number.
It is an amenable number.
53879942520 is an abundant number, since it is smaller than the sum of its proper divisors (122110053480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53879942520 is a wasteful number, since it uses less digits than its factorization.
53879942520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 752309 (or 752302 counting only the distinct ones).
The product of its (nonzero) digits is 5443200, while the sum is 54.
The spelling of 53879942520 in words is "fifty-three billion, eight hundred seventy-nine million, nine hundred forty-two thousand, five hundred twenty".
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