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57295938949 is a prime number
BaseRepresentation
bin110101010111000110…
…101010010110000101
312110220001102021022221
4311113012222112011
51414320230021244
642153230452341
74065563305534
oct652706522605
9173801367287
1057295938949
1122332077a67
12b1303640b1
135531481172
142ab76c431b
151755169784
hexd571aa585

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".