Base | Representation |
---|---|
bin | 11101010000111101… |
… | …001110111111111000 |
3 | 10000002220220211011212 |
4 | 131100331032333320 |
5 | 1003323242004233 |
6 | 22234023542252 |
7 | 2161456045361 |
oct | 352075167770 |
9 | 100086824155 |
10 | 31423000568 |
11 | 12365512463 |
12 | 610b5ba988 |
13 | 2c6a13797b |
14 | 1741426b68 |
15 | c3da13a48 |
hex | 750f4eff8 |
31423000568 has 32 divisors (see below), whose sum is σ = 62979305760. Its totient is φ = 14661841920.
The previous prime is 31423000541. The next prime is 31423000589. The reversal of 31423000568 is 86500032413.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2075105 + ... + 2090192.
It is an arithmetic number, because the mean of its divisors is an integer number (1968103305).
Almost surely, 231423000568 is an apocalyptic number.
It is an amenable number.
31423000568 is an abundant number, since it is smaller than the sum of its proper divisors (31556305192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31423000568 is a wasteful number, since it uses less digits than its factorization.
31423000568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4165367 (or 4165363 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 32.
The spelling of 31423000568 in words is "thirty-one billion, four hundred twenty-three million, five hundred sixty-eight", and thus it is an aban number.
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