Base | Representation |
---|---|
bin | 110011111100000011… |
… | …100111001000010000 |
3 | 12022221121002220020020 |
4 | 303330003213020100 |
5 | 1403203203201223 |
6 | 41341502343440 |
7 | 4012664454312 |
oct | 637403471020 |
9 | 168847086206 |
10 | 55768412688 |
11 | 217188a696a |
12 | a98488ab80 |
13 | 5349b71b81 |
14 | 29b08977b2 |
15 | 16b5ed41e3 |
hex | cfc0e7210 |
55768412688 has 80 divisors (see below), whose sum is σ = 153893203776. Its totient is φ = 17341112320.
The previous prime is 55768412683. The next prime is 55768412717. The reversal of 55768412688 is 88621486755.
It is a super-2 number, since 2×557684126882 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (55768412681) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210198 + ... + 394613.
Almost surely, 255768412688 is an apocalyptic number.
It is an amenable number.
55768412688 is an abundant number, since it is smaller than the sum of its proper divisors (98124791088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55768412688 is a wasteful number, since it uses less digits than its factorization.
55768412688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 604952 (or 604946 counting only the distinct ones).
The product of its digits is 25804800, while the sum is 60.
The spelling of 55768412688 in words is "fifty-five billion, seven hundred sixty-eight million, four hundred twelve thousand, six hundred eighty-eight".
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