Base | Representation |
---|---|
bin | 110100111111001000… |
… | …000010010100000111 |
3 | 12102212000102200021022 |
4 | 310333020002110013 |
5 | 1413004233133322 |
6 | 42045300141355 |
7 | 4052610004205 |
oct | 647710022407 |
9 | 172760380238 |
10 | 56893646087 |
11 | 22145a86423 |
12 | b03969785b |
13 | 5499019055 |
14 | 2a7a0c4075 |
15 | 172eba1942 |
hex | d3f202507 |
56893646087 has 2 divisors, whose sum is σ = 56893646088. Its totient is φ = 56893646086.
The previous prime is 56893646077. The next prime is 56893646093. The reversal of 56893646087 is 78064639865.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 56893646087 - 222 = 56889451783 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (56893646077) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28446823043 + 28446823044.
It is an arithmetic number, because the mean of its divisors is an integer number (28446823044).
Almost surely, 256893646087 is an apocalyptic number.
56893646087 is a deficient number, since it is larger than the sum of its proper divisors (1).
56893646087 is an equidigital number, since it uses as much as digits as its factorization.
56893646087 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 52254720, while the sum is 62.
The spelling of 56893646087 in words is "fifty-six billion, eight hundred ninety-three million, six hundred forty-six thousand, eighty-seven".
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