Base | Representation |
---|---|
bin | 110010110111100010… |
… | …001111000100001000 |
3 | 12012222110221011111011 |
4 | 302313202033010020 |
5 | 1343324404001210 |
6 | 41031434413304 |
7 | 3642335150635 |
oct | 626742170410 |
9 | 165873834434 |
10 | 54618812680 |
11 | 21188994413 |
12 | a703891234 |
13 | 51c5945b93 |
14 | 2901d2718c |
15 | 164a101d8a |
hex | cb788f108 |
54618812680 has 32 divisors (see below), whose sum is σ = 123031584000. Its totient is φ = 21822768576.
The previous prime is 54618812639. The next prime is 54618812681. The reversal of 54618812680 is 8621881645.
It is not an unprimeable number, because it can be changed into a prime (54618812681) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737880 + ... + 808519.
It is an arithmetic number, because the mean of its divisors is an integer number (3844737000).
Almost surely, 254618812680 is an apocalyptic number.
It is an amenable number.
54618812680 is an abundant number, since it is smaller than the sum of its proper divisors (68412771320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54618812680 is a wasteful number, since it uses less digits than its factorization.
54618812680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1547293 (or 1547289 counting only the distinct ones).
The product of its (nonzero) digits is 737280, while the sum is 49.
The spelling of 54618812680 in words is "fifty-four billion, six hundred eighteen million, eight hundred twelve thousand, six hundred eighty".
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