Base | Representation |
---|---|
bin | 110101001000111000… |
… | …100000100110101100 |
3 | 12110021102110121002120 |
4 | 311020320200212230 |
5 | 1413323140114022 |
6 | 42113424552540 |
7 | 4056635312250 |
oct | 651070404654 |
9 | 173242417076 |
10 | 57057348012 |
11 | 2221a427075 |
12 | b084482750 |
13 | 54c3c047b2 |
14 | 2a93b38260 |
15 | 173e23ad5c |
hex | d48e209ac |
57057348012 has 96 divisors (see below), whose sum is σ = 153035205120. Its totient is φ = 16207779840.
The previous prime is 57057347987. The next prime is 57057348037. The reversal of 57057348012 is 21084375075.
It is an interprime number because it is at equal distance from previous prime (57057347987) and next prime (57057348037).
It is a Harshad number since it is a multiple of its sum of digits (42).
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, 17712562 + ... + 17715782.
It is an arithmetic number, because the mean of its divisors is an integer number (1594116720).
Almost surely, 257057348012 is an apocalyptic number.
It is an amenable number.
57057348012 is an abundant number, since it is smaller than the sum of its proper divisors (95977857108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57057348012 is a wasteful number, since it uses less digits than its factorization.
57057348012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4391 (or 4389 counting only the distinct ones).
The product of its (nonzero) digits is 235200, while the sum is 42.
The spelling of 57057348012 in words is "fifty-seven billion, fifty-seven million, three hundred forty-eight thousand, twelve".
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