Base | Representation |
---|---|
bin | 110001110100101011… |
… | …000000100010001001 |
3 | 12010002022010011021021 |
4 | 301310223000202021 |
5 | 1334030220221420 |
6 | 40324243112441 |
7 | 3602464220455 |
oct | 616453004211 |
9 | 163068104237 |
10 | 53497038985 |
11 | 20762758215 |
12 | a450072721 |
13 | 5077410670 |
14 | 2836d5b665 |
15 | 15d18b97aa |
hex | c74ac0889 |
53497038985 has 16 divisors (see below), whose sum is σ = 71364787200. Its totient is φ = 38231133120.
The previous prime is 53497038943. The next prime is 53497039021. The reversal of 53497038985 is 58983079435.
It is not a de Polignac number, because 53497038985 - 213 = 53497030793 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13272685 + ... + 13276714.
It is an arithmetic number, because the mean of its divisors is an integer number (4460299200).
Almost surely, 253497038985 is an apocalyptic number.
It is an amenable number.
53497038985 is a deficient number, since it is larger than the sum of its proper divisors (17867748215).
53497038985 is a wasteful number, since it uses less digits than its factorization.
53497038985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26549448.
The product of its (nonzero) digits is 32659200, while the sum is 61.
The spelling of 53497038985 in words is "fifty-three billion, four hundred ninety-seven million, thirty-eight thousand, nine hundred eighty-five".
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