Base | Representation |
---|---|
bin | 110101001010101000… |
… | …110011000011100000 |
3 | 12110100110212002021200 |
4 | 311022220303003200 |
5 | 1413403204034322 |
6 | 42120355521200 |
7 | 4060443440520 |
oct | 651250630340 |
9 | 173313762250 |
10 | 57086783712 |
11 | 222350015a2 |
12 | b0922b9200 |
13 | 54ca03c97a |
14 | 2a979db680 |
15 | 1741b028ac |
hex | d4aa330e0 |
57086783712 has 144 divisors (see below), whose sum is σ = 191517161472. Its totient is φ = 15784346880.
The previous prime is 57086783711. The next prime is 57086783723. The reversal of 57086783712 is 21738768075.
57086783712 is a `hidden beast` number, since 570 + 8 + 67 + 8 + 3 + 7 + 1 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57086783711) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394228 + ... + 519219.
It is an arithmetic number, because the mean of its divisors is an integer number (1329980288).
Almost surely, 257086783712 is an apocalyptic number.
It is an amenable number.
57086783712 is an abundant number, since it is smaller than the sum of its proper divisors (134430377760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57086783712 is a wasteful number, since it uses less digits than its factorization.
57086783712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 913501 (or 913490 counting only the distinct ones).
The product of its (nonzero) digits is 3951360, while the sum is 54.
The spelling of 57086783712 in words is "fifty-seven billion, eighty-six million, seven hundred eighty-three thousand, seven hundred twelve".
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