Base | Representation |
---|---|
bin | 110011111110000111… |
… | …110101110100010100 |
3 | 12100001000022222011102 |
4 | 303332013311310110 |
5 | 1403241041411420 |
6 | 41345141325232 |
7 | 4013565214160 |
oct | 637607656424 |
9 | 170030288142 |
10 | 55803075860 |
11 | 21736421914 |
12 | a994406818 |
13 | 53540ba51c |
14 | 29b531bca0 |
15 | 16b907ea75 |
hex | cfe1f5d14 |
55803075860 has 48 divisors (see below), whose sum is σ = 133951319040. Its totient is φ = 19129063680.
The previous prime is 55803075799. The next prime is 55803075883. The reversal of 55803075860 is 6857030855.
It is a super-2 number, since 2×558030758602 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 824381 + ... + 889499.
It is an arithmetic number, because the mean of its divisors is an integer number (2790652480).
Almost surely, 255803075860 is an apocalyptic number.
It is an amenable number.
55803075860 is an abundant number, since it is smaller than the sum of its proper divisors (78148243180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55803075860 is a wasteful number, since it uses less digits than its factorization.
55803075860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71256 (or 71254 counting only the distinct ones).
The product of its (nonzero) digits is 1008000, while the sum is 47.
The spelling of 55803075860 in words is "fifty-five billion, eight hundred three million, seventy-five thousand, eight hundred sixty".
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