Base | Representation |
---|---|
bin | 10111111111001000… |
… | …00101111010000111 |
3 | 1020020110110011002200 |
4 | 23333210011322013 |
5 | 202333130223210 |
6 | 5525455205543 |
7 | 634055450445 |
oct | 137744057207 |
9 | 36213404080 |
10 | 12877586055 |
11 | 5509075004 |
12 | 25b48168b3 |
13 | 12a2c11109 |
14 | 8a23c1b95 |
15 | 5058210c0 |
hex | 2ff905e87 |
12877586055 has 24 divisors (see below), whose sum is σ = 22327560528. Its totient is φ = 6866073216.
The previous prime is 12877586011. The next prime is 12877586149. The reversal of 12877586055 is 55068577821.
12877586055 is a `hidden beast` number, since 1 + 2 + 8 + 7 + 7 + 586 + 0 + 55 = 666.
It is not a de Polignac number, because 12877586055 - 26 = 12877585991 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12877585992 and 12877586010.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124659 + ... + 203211.
It is an arithmetic number, because the mean of its divisors is an integer number (930315022).
Almost surely, 212877586055 is an apocalyptic number.
12877586055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12877586055 is a deficient number, since it is larger than the sum of its proper divisors (9449974473).
12877586055 is a wasteful number, since it uses less digits than its factorization.
12877586055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82207 (or 82204 counting only the distinct ones).
The product of its (nonzero) digits is 4704000, while the sum is 54.
The spelling of 12877586055 in words is "twelve billion, eight hundred seventy-seven million, five hundred eighty-six thousand, fifty-five".
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