Base | Representation |
---|---|
bin | 110001001010100111… |
… | …100111110000010101 |
3 | 12001021010112110200122 |
4 | 301022213213300111 |
5 | 1331104111223424 |
6 | 40130241121325 |
7 | 3546136262003 |
oct | 611247476025 |
9 | 161233473618 |
10 | 52791507989 |
11 | 20430480350 |
12 | a293929245 |
13 | 4c941b58bc |
14 | 27ab383a73 |
15 | 158e9a345e |
hex | c4a9e7c15 |
52791507989 has 16 divisors (see below), whose sum is σ = 57778188864. Its totient is φ = 47836224000.
The previous prime is 52791507929. The next prime is 52791508013. The reversal of 52791507989 is 98970519725.
52791507989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 52791507989 - 224 = 52774730773 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52791507929) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11695397 + ... + 11699909.
It is an arithmetic number, because the mean of its divisors is an integer number (3611136804).
Almost surely, 252791507989 is an apocalyptic number.
It is an amenable number.
52791507989 is a deficient number, since it is larger than the sum of its proper divisors (4986680875).
52791507989 is a wasteful number, since it uses less digits than its factorization.
52791507989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7748.
The product of its (nonzero) digits is 14288400, while the sum is 62.
The spelling of 52791507989 in words is "fifty-two billion, seven hundred ninety-one million, five hundred seven thousand, nine hundred eighty-nine".
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