Base | Representation |
---|---|
bin | 110101111010100101… |
… | …110001101110001100 |
3 | 12112102112200122200010 |
4 | 311322211301232030 |
5 | 1422030133020223 |
6 | 42332255233220 |
7 | 4116412626003 |
oct | 657245615614 |
9 | 175375618603 |
10 | 57891298188 |
11 | 22608146199 |
12 | b277818810 |
13 | 55c7913639 |
14 | 2b327bdc3a |
15 | 178c56c393 |
hex | d7a971b8c |
57891298188 has 18 divisors (see below), whose sum is σ = 135081640596. Its totient is φ = 19296821568.
The previous prime is 57891298183. The next prime is 57891298207. The reversal of 57891298188 is 88189219875.
It is not an unprimeable number, because it can be changed into a prime (57891298183) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 798756 + ... + 868212.
Almost surely, 257891298188 is an apocalyptic number.
It is an amenable number.
57891298188 is an abundant number, since it is smaller than the sum of its proper divisors (77190342408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57891298188 is an frugal number, since it uses more digits than its factorization.
57891298188 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138921 (or 69462 counting only the distinct ones).
The product of its digits is 23224320, while the sum is 66.
The spelling of 57891298188 in words is "fifty-seven billion, eight hundred ninety-one million, two hundred ninety-eight thousand, one hundred eighty-eight".
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