Base | Representation |
---|---|
bin | 110101100011101100… |
… | …110001110010000000 |
3 | 12111102210001100211220 |
4 | 311203230301302000 |
5 | 1420233324214342 |
6 | 42230220035040 |
7 | 4104040423530 |
oct | 654354616200 |
9 | 174383040756 |
10 | 57507257472 |
11 | 22430390775 |
12 | b18b092a80 |
13 | 556619c202 |
14 | 2ad77b14c0 |
15 | 17689ac5ec |
hex | d63b31c80 |
57507257472 has 256 divisors, whose sum is σ = 177713049600. Its totient is φ = 16137658368.
The previous prime is 57507257419. The next prime is 57507257527. The reversal of 57507257472 is 27475270575.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48203308 + ... + 48204500.
It is an arithmetic number, because the mean of its divisors is an integer number (694191600).
Almost surely, 257507257472 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57507257472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88856524800).
57507257472 is an abundant number, since it is smaller than the sum of its proper divisors (120205792128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57507257472 is a wasteful number, since it uses less digits than its factorization.
57507257472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1523 (or 1511 counting only the distinct ones).
The product of its (nonzero) digits is 4802000, while the sum is 51.
The spelling of 57507257472 in words is "fifty-seven billion, five hundred seven million, two hundred fifty-seven thousand, four hundred seventy-two".
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