Base | Representation |
---|---|
bin | 110101001110011000… |
… | …010100011100100000 |
3 | 12110111212000002212000 |
4 | 311032120110130200 |
5 | 1414020242313041 |
6 | 42130521404000 |
7 | 4062135232413 |
oct | 651630243440 |
9 | 173455002760 |
10 | 57149572896 |
11 | 22267497a89 |
12 | b0ab339600 |
13 | 550a055330 |
14 | 2aa20a3b7a |
15 | 17473a6bb6 |
hex | d4e614720 |
57149572896 has 192 divisors, whose sum is σ = 180552032640. Its totient is φ = 17482245120.
The previous prime is 57149572889. The next prime is 57149572913. The reversal of 57149572896 is 69827594175.
57149572896 is a `hidden beast` number, since 5 + 71 + 495 + 72 + 8 + 9 + 6 = 666.
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, 1928431 + ... + 1957841.
It is an arithmetic number, because the mean of its divisors is an integer number (940375170).
Almost surely, 257149572896 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 57149572896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90276016320).
57149572896 is an abundant number, since it is smaller than the sum of its proper divisors (123402459744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57149572896 is a wasteful number, since it uses less digits than its factorization.
57149572896 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29616 (or 29602 counting only the distinct ones).
The product of its digits is 38102400, while the sum is 63.
The spelling of 57149572896 in words is "fifty-seven billion, one hundred forty-nine million, five hundred seventy-two thousand, eight hundred ninety-six".
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