Base | Representation |
---|---|
bin | 111100100001111000… |
… | …010110000010110101 |
3 | 20012202110122211020201 |
4 | 330201320112002311 |
5 | 2031101142143200 |
6 | 45505104000501 |
7 | 4460404525612 |
oct | 744170260265 |
9 | 205673584221 |
10 | 64992927925 |
11 | 256218a4782 |
12 | 1071a000131 |
13 | 6189cb0b03 |
14 | 3207a33509 |
15 | 1a55c5dc6a |
hex | f21e160b5 |
64992927925 has 12 divisors (see below), whose sum is σ = 84095197920. Its totient is φ = 49733718320.
The previous prime is 64992927907. The next prime is 64992927931. The reversal of 64992927925 is 52972929946.
It is not a de Polignac number, because 64992927925 - 25 = 64992927893 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56515015 + ... + 56516164.
It is an arithmetic number, because the mean of its divisors is an integer number (7007933160).
Almost surely, 264992927925 is an apocalyptic number.
It is an amenable number.
64992927925 is a deficient number, since it is larger than the sum of its proper divisors (19102269995).
64992927925 is a wasteful number, since it uses less digits than its factorization.
64992927925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113031212 (or 113031207 counting only the distinct ones).
The product of its digits is 44089920, while the sum is 64.
The spelling of 64992927925 in words is "sixty-four billion, nine hundred ninety-two million, nine hundred twenty-seven thousand, nine hundred twenty-five".
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