Base | Representation |
---|---|
bin | 110101001101000000… |
… | …010101001110001000 |
3 | 12110110020121020221101 |
4 | 311031000111032020 |
5 | 1413443341214100 |
6 | 42124335151144 |
7 | 4061435205154 |
oct | 651500251610 |
9 | 173406536841 |
10 | 57126507400 |
11 | 22255473596 |
12 | b0a36754b4 |
13 | 550533a801 |
14 | 2a9cdbc064 |
15 | 174534c86a |
hex | d4d015388 |
57126507400 has 24 divisors (see below), whose sum is σ = 132819130170. Its totient is φ = 22850602880.
The previous prime is 57126507371. The next prime is 57126507401. The reversal of 57126507400 is 470562175.
It can be written as a sum of positive squares in 3 ways, for example, as 27033278724 + 30093228676 = 164418^2 + 173474^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 57126507400.
It is not an unprimeable number, because it can be changed into a prime (57126507401) 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, 142816069 + ... + 142816468.
Almost surely, 257126507400 is an apocalyptic number.
57126507400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is an amenable number.
57126507400 is an abundant number, since it is smaller than the sum of its proper divisors (75692622770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57126507400 is a wasteful number, since it uses less digits than its factorization.
57126507400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 285632553 (or 285632544 counting only the distinct ones).
The product of its (nonzero) digits is 58800, while the sum is 37.
The spelling of 57126507400 in words is "fifty-seven billion, one hundred twenty-six million, five hundred seven thousand, four hundred".
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