Base | Representation |
---|---|
bin | 110101010111111000… |
… | …110101001101011110 |
3 | 12110220222011110002010 |
4 | 311113320311031132 |
5 | 1414332111400104 |
6 | 42154420412050 |
7 | 4066113142644 |
oct | 652770651536 |
9 | 173828143063 |
10 | 57309090654 |
11 | 22339540042 |
12 | b134847026 |
13 | 553410743a |
14 | 2ab9349194 |
15 | 17563b6489 |
hex | d57e3535e |
57309090654 has 64 divisors (see below), whose sum is σ = 119605049856. Its totient is φ = 18289079424.
The previous prime is 57309090649. The next prime is 57309090667. The reversal of 57309090654 is 45609090375.
It is a congruent number.
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, 19379344 + ... + 19382300.
It is an arithmetic number, because the mean of its divisors is an integer number (1868828904).
Almost surely, 257309090654 is an apocalyptic number.
57309090654 is an abundant number, since it is smaller than the sum of its proper divisors (62295959202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57309090654 is a wasteful number, since it uses less digits than its factorization.
57309090654 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4369.
The product of its (nonzero) digits is 1020600, while the sum is 48.
The spelling of 57309090654 in words is "fifty-seven billion, three hundred nine million, ninety thousand, six hundred fifty-four".
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