Base | Representation |
---|---|
bin | 110100010100101000… |
… | …111110011110000111 |
3 | 12101000100012102200111 |
4 | 310110220332132013 |
5 | 1410024300021212 |
6 | 41450434453451 |
7 | 4026133303051 |
oct | 642450763607 |
9 | 171010172614 |
10 | 56180860807 |
11 | 2190a6a4285 |
12 | aa7aa34287 |
13 | 53b4451406 |
14 | 2a0d57c8d1 |
15 | 16dc305ea7 |
hex | d14a3e787 |
56180860807 has 2 divisors, whose sum is σ = 56180860808. Its totient is φ = 56180860806.
The previous prime is 56180860787. The next prime is 56180860811. The reversal of 56180860807 is 70806808165.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 56180860807 - 231 = 54033377159 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (56180860817) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28090430403 + 28090430404.
It is an arithmetic number, because the mean of its divisors is an integer number (28090430404).
Almost surely, 256180860807 is an apocalyptic number.
56180860807 is a deficient number, since it is larger than the sum of its proper divisors (1).
56180860807 is an equidigital number, since it uses as much as digits as its factorization.
56180860807 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 645120, while the sum is 49.
The spelling of 56180860807 in words is "fifty-six billion, one hundred eighty million, eight hundred sixty thousand, eight hundred seven".
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