Base | Representation |
---|---|
bin | 100111111110111011… |
… | …101000011101101001 |
3 | 11002210222122220111000 |
4 | 213332323220131221 |
5 | 1200411012011021 |
6 | 31420024225213 |
7 | 3046613601054 |
oct | 477673503551 |
9 | 132728586430 |
10 | 42931750761 |
11 | 17230943859 |
12 | 83a190b209 |
13 | 408258c123 |
14 | 2113ac9a9b |
15 | 11b4098b26 |
hex | 9feee8769 |
42931750761 has 16 divisors (see below), whose sum is σ = 63631422720. Its totient is φ = 28608194160.
The previous prime is 42931750723. The next prime is 42931750769. The reversal of 42931750761 is 16705713924.
42931750761 is a `hidden beast` number, since 42 + 93 + 17 + 507 + 6 + 1 = 666.
It is not a de Polignac number, because 42931750761 - 210 = 42931749737 is a prime.
It is not an unprimeable number, because it can be changed into a prime (42931750769) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299505 + ... + 419006.
It is an arithmetic number, because the mean of its divisors is an integer number (3976963920).
Almost surely, 242931750761 is an apocalyptic number.
It is an amenable number.
42931750761 is a deficient number, since it is larger than the sum of its proper divisors (20699671959).
42931750761 is a wasteful number, since it uses less digits than its factorization.
42931750761 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 720733 (or 720727 counting only the distinct ones).
The product of its (nonzero) digits is 317520, while the sum is 45.
The spelling of 42931750761 in words is "forty-two billion, nine hundred thirty-one million, seven hundred fifty thousand, seven hundred sixty-one".
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