Base | Representation |
---|---|
bin | 110101000011100111… |
… | …001011011101101010 |
3 | 12110001021001221010220 |
4 | 311003213023131222 |
5 | 1413133020401030 |
6 | 42100545350510 |
7 | 4054512551352 |
oct | 650347133552 |
9 | 173037057126 |
10 | 56968918890 |
11 | 22184518a54 |
12 | b05a938436 |
13 | 54ab7b2880 |
14 | 2a860b9b62 |
15 | 17365bea10 |
hex | d439cb76a |
56968918890 has 32 divisors (see below), whose sum is σ = 147242745216. Its totient is φ = 14023118400.
The previous prime is 56968918889. The next prime is 56968918901. The reversal of 56968918890 is 9881986965.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73036686 + ... + 73037465.
It is an arithmetic number, because the mean of its divisors is an integer number (4601335788).
Almost surely, 256968918890 is an apocalyptic number.
56968918890 is an abundant number, since it is smaller than the sum of its proper divisors (90273826326).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56968918890 is a wasteful number, since it uses less digits than its factorization.
56968918890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146074174.
The product of its (nonzero) digits is 67184640, while the sum is 69.
The spelling of 56968918890 in words is "fifty-six billion, nine hundred sixty-eight million, nine hundred eighteen thousand, eight hundred ninety".
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