Base | Representation |
---|---|
bin | 110101010101100010… |
… | …110001101101100001 |
3 | 12110211020010222022201 |
4 | 311111202301231201 |
5 | 1414242024122341 |
6 | 42150453333201 |
7 | 4065124611634 |
oct | 652542615541 |
9 | 173736128281 |
10 | 57269754721 |
11 | 22319313403 |
12 | b123637201 |
13 | 5528c13c3a |
14 | 2ab4029c1b |
15 | 1752be6331 |
hex | d558b1b61 |
57269754721 has 9 divisors (see below), whose sum is σ = 57654974611. Its totient is φ = 56887096432.
The previous prime is 57269754701. The next prime is 57269754739. The reversal of 57269754721 is 12745796275.
The square root of 57269754721 is 239311.
It is a perfect power (a square), and thus also a powerful number.
57269754721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 47495664225 + 9774090496 = 217935^2 + 98864^2 .
It is not a de Polignac number, because 57269754721 - 27 = 57269754593 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57269754701) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 39964221 + ... + 39965653.
Almost surely, 257269754721 is an apocalyptic number.
57269754721 is the 239311-st square number.
57269754721 is the 119656-th centered octagonal number.
It is an amenable number.
57269754721 is a deficient number, since it is larger than the sum of its proper divisors (385219890).
57269754721 is an frugal number, since it uses more digits than its factorization.
57269754721 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3200 (or 1600 counting only the distinct ones).
The product of its digits is 7408800, while the sum is 55.
The spelling of 57269754721 in words is "fifty-seven billion, two hundred sixty-nine million, seven hundred fifty-four thousand, seven hundred twenty-one".
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