Base | Representation |
---|---|
bin | 110101110001101111… |
… | …101001100111000100 |
3 | 12112001012102210220122 |
4 | 311301233221213010 |
5 | 1421224140011320 |
6 | 42305434321112 |
7 | 4112631323222 |
oct | 656157514704 |
9 | 175035383818 |
10 | 57742891460 |
11 | 225413a2001 |
12 | b235b89198 |
13 | 55a2c519c7 |
14 | 2b1abcbb12 |
15 | 177e504d25 |
hex | d71be99c4 |
57742891460 has 24 divisors (see below), whose sum is σ = 121763236056. Its totient is φ = 23001315840.
The previous prime is 57742891457. The next prime is 57742891471. The reversal of 57742891460 is 6419824775.
It can be written as a sum of positive squares in 4 ways, for example, as 28428657664 + 29314233796 = 168608^2 + 171214^2 .
It is a super-2 number, since 2×577428914602 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5985107 + ... + 5994746.
It is an arithmetic number, because the mean of its divisors is an integer number (5073468169).
Almost surely, 257742891460 is an apocalyptic number.
It is an amenable number.
57742891460 is an abundant number, since it is smaller than the sum of its proper divisors (64020344596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57742891460 is a wasteful number, since it uses less digits than its factorization.
57742891460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11980103 (or 11980101 counting only the distinct ones).
The product of its (nonzero) digits is 3386880, while the sum is 53.
The spelling of 57742891460 in words is "fifty-seven billion, seven hundred forty-two million, eight hundred ninety-one thousand, four hundred sixty".
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