Base | Representation |
---|---|
bin | 110101010111000110… |
… | …101010010110000101 |
3 | 12110220001102021022221 |
4 | 311113012222112011 |
5 | 1414320230021244 |
6 | 42153230452341 |
7 | 4065563305534 |
oct | 652706522605 |
9 | 173801367287 |
10 | 57295938949 |
11 | 22332077a67 |
12 | b1303640b1 |
13 | 5531481172 |
14 | 2ab76c431b |
15 | 1755169784 |
hex | d571aa585 |
57295938949 has 2 divisors, whose sum is σ = 57295938950. Its totient is φ = 57295938948.
The previous prime is 57295938913. The next prime is 57295938983. The reversal of 57295938949 is 94983959275.
57295938949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 45748932100 + 11547006849 = 213890^2 + 107457^2 .
It is a cyclic number.
It is not a de Polignac number, because 57295938949 - 215 = 57295906181 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (57295938989) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28647969474 + 28647969475.
It is an arithmetic number, because the mean of its divisors is an integer number (28647969475).
Almost surely, 257295938949 is an apocalyptic number.
It is an amenable number.
57295938949 is a deficient number, since it is larger than the sum of its proper divisors (1).
57295938949 is an equidigital number, since it uses as much as digits as its factorization.
57295938949 is an evil number, because the sum of its binary digits is even.
The product of its digits is 220449600, while the sum is 70.
The spelling of 57295938949 in words is "fifty-seven billion, two hundred ninety-five million, nine hundred thirty-eight thousand, nine hundred forty-nine".
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