Base | Representation |
---|---|
bin | 110101000111000100… |
… | …101000001101110110 |
3 | 12110012022022020222000 |
4 | 311013010220031312 |
5 | 1413242401023421 |
6 | 42110421520130 |
7 | 4056116152113 |
oct | 650704501566 |
9 | 173168266860 |
10 | 57026970486 |
11 | 22204268a82 |
12 | b076273046 |
13 | 54ba829a25 |
14 | 2a8daab90a |
15 | 173b73a226 |
hex | d47128376 |
57026970486 has 24 divisors (see below), whose sum is σ = 126730500840. Its totient is φ = 19008405216.
The previous prime is 57026970461. The next prime is 57026970491. The reversal of 57026970486 is 68407962075.
57026970486 is a `hidden beast` number, since 5 + 70 + 2 + 6 + 97 + 0 + 486 = 666.
It is a super-2 number, since 2×570269704862 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1738590 + ... + 1771086.
It is an arithmetic number, because the mean of its divisors is an integer number (5280437535).
Almost surely, 257026970486 is an apocalyptic number.
57026970486 is an abundant number, since it is smaller than the sum of its proper divisors (69703530354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57026970486 is an frugal number, since it uses more digits than its factorization.
57026970486 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65005 (or 32502 counting only the distinct ones).
The product of its (nonzero) digits is 5080320, while the sum is 54.
Multiplying 57026970486 by its sum of digits (54), we get a square (3079456406244 = 17548382).
57026970486 divided by its sum of digits (54) gives a square (1056055009 = 324972).
The spelling of 57026970486 in words is "fifty-seven billion, twenty-six million, nine hundred seventy thousand, four hundred eighty-six".
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