Base | Representation |
---|---|
bin | 110100111010101101… |
… | …110101010111001110 |
3 | 12102122212020020000002 |
4 | 310322231311113032 |
5 | 1412331313342210 |
6 | 42034054404302 |
7 | 4051021133000 |
oct | 647255652716 |
9 | 172585206002 |
10 | 56819668430 |
11 | 22108248968 |
12 | b018960692 |
13 | 54868b6ba5 |
14 | 2a70348370 |
15 | 172843c4a5 |
hex | d3ab755ce |
56819668430 has 64 divisors (see below), whose sum is σ = 123119308800. Its totient is φ = 18852573600.
The previous prime is 56819668417. The next prime is 56819668453. The reversal of 56819668430 is 3486691865.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160856 + ... + 373515.
It is an arithmetic number, because the mean of its divisors is an integer number (1923739200).
Almost surely, 256819668430 is an apocalyptic number.
56819668430 is an abundant number, since it is smaller than the sum of its proper divisors (66299640370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56819668430 is a wasteful number, since it uses less digits than its factorization.
56819668430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 534430 (or 534416 counting only the distinct ones).
The product of its (nonzero) digits is 7464960, while the sum is 56.
The spelling of 56819668430 in words is "fifty-six billion, eight hundred nineteen million, six hundred sixty-eight thousand, four hundred thirty".
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