Base | Representation |
---|---|
bin | 11010001000110110101110… |
… | …10110010100010100000000 |
3 | 21112111220222221200022011210 |
4 | 31010123113112110110000 |
5 | 30013213204004310010 |
6 | 322125232020210120 |
7 | 15051465602554623 |
oct | 1504332726242400 |
9 | 245456887608153 |
10 | 57478865306880 |
11 | 17350716aa40a6 |
12 | 6543957839940 |
13 | 260c3066b48a4 |
14 | 1029dc5babdba |
15 | 69a2557dab20 |
hex | 3446d7594500 |
57478865306880 has 144 divisors (see below), whose sum is σ = 183997087807680. Its totient is φ = 15292298133504.
The previous prime is 57478865306879. The next prime is 57478865306897. The reversal of 57478865306880 is 8860356887475.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15621870 + ... + 18947309.
It is an arithmetic number, because the mean of its divisors is an integer number (1277757554220).
Almost surely, 257478865306880 is an apocalyptic number.
It is an amenable number.
57478865306880 is an abundant number, since it is smaller than the sum of its proper divisors (126518222500800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57478865306880 is a wasteful number, since it uses less digits than its factorization.
57478865306880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34569636 (or 34569622 counting only the distinct ones).
The product of its (nonzero) digits is 2167603200, while the sum is 75.
The spelling of 57478865306880 in words is "fifty-seven trillion, four hundred seventy-eight billion, eight hundred sixty-five million, three hundred six thousand, eight hundred eighty".
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