Base | Representation |
---|---|
bin | 110101010100010101… |
… | …101110001000100100 |
3 | 12110202211010201111011 |
4 | 311110111232020210 |
5 | 1414221341224410 |
6 | 42144452352004 |
7 | 4064461121362 |
oct | 652425561044 |
9 | 173684121434 |
10 | 57249554980 |
11 | 22308977002 |
12 | b118915604 |
13 | 5524990927 |
14 | 2ab148c632 |
15 | 175105618a |
hex | d5456e224 |
57249554980 has 12 divisors (see below), whose sum is σ = 120224065500. Its totient is φ = 22899821984.
The previous prime is 57249554941. The next prime is 57249555007. The reversal of 57249554980 is 8945594275.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 32766068196 + 24483486784 = 181014^2 + 156472^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1431238855 + ... + 1431238894.
It is an arithmetic number, because the mean of its divisors is an integer number (10018672125).
Almost surely, 257249554980 is an apocalyptic number.
It is an amenable number.
57249554980 is an abundant number, since it is smaller than the sum of its proper divisors (62974510520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57249554980 is a wasteful number, since it uses less digits than its factorization.
57249554980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2862477758 (or 2862477756 counting only the distinct ones).
The product of its (nonzero) digits is 18144000, while the sum is 58.
The spelling of 57249554980 in words is "fifty-seven billion, two hundred forty-nine million, five hundred fifty-four thousand, nine hundred eighty".
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