Base | Representation |
---|---|
bin | 110001010111011111… |
… | …110111001111100101 |
3 | 12001211012002222010210 |
4 | 301113133313033211 |
5 | 1332024414444320 |
6 | 40203520210033 |
7 | 3554401656660 |
oct | 612737671745 |
9 | 161735088123 |
10 | 53007578085 |
11 | 20531439a80 |
12 | a334169919 |
13 | 4cc9ba8627 |
14 | 27cbd4a6d7 |
15 | 15a39340e0 |
hex | c577f73e5 |
53007578085 has 64 divisors (see below), whose sum is σ = 106928087040. Its totient is φ = 21781562880.
The previous prime is 53007578033. The next prime is 53007578101. The reversal of 53007578085 is 58087570035.
It is a happy number.
It is not a de Polignac number, because 53007578085 - 28 = 53007577829 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 155037 + ... + 360626.
It is an arithmetic number, because the mean of its divisors is an integer number (1670751360).
Almost surely, 253007578085 is an apocalyptic number.
53007578085 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
53007578085 is an abundant number, since it is smaller than the sum of its proper divisors (53920508955).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53007578085 is a wasteful number, since it uses less digits than its factorization.
53007578085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 515778.
The product of its (nonzero) digits is 1176000, while the sum is 48.
The spelling of 53007578085 in words is "fifty-three billion, seven million, five hundred seventy-eight thousand, eighty-five".
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