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57910197241 = 132342663889
BaseRepresentation
bin110101111011101101…
…110111101111111001
312112110212020211022001
4311323231313233321
51422100002302431
642334212301001
74120032361201
oct657355675771
9175425224261
1057910197241
1122617884346
12b282011761
1355cb7cc900
142b350dd401
15178e051e61
hexd7bb77bf9

57910197241 has 6 divisors (see below), whose sum is σ = 62707491870. Its totient is φ = 53455566528.

The previous prime is 57910197211. The next prime is 57910197259. The reversal of 57910197241 is 14279101975.

It can be written as a sum of positive squares in 3 ways, for example, as 4816360000 + 53093837241 = 69400^2 + 230421^2 .

It is not a de Polignac number, because 57910197241 - 217 = 57910066169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57910197191 and 57910197200.

It is not an unprimeable number, because it can be changed into a prime (57910197211) 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, 171331776 + ... + 171332113.

It is an arithmetic number, because the mean of its divisors is an integer number (10451248645).

Almost surely, 257910197241 is an apocalyptic number.

It is an amenable number.

57910197241 is a deficient number, since it is larger than the sum of its proper divisors (4797294629).

57910197241 is a wasteful number, since it uses less digits than its factorization.

57910197241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342663915 (or 342663902 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 46.

The spelling of 57910197241 in words is "fifty-seven billion, nine hundred ten million, one hundred ninety-seven thousand, two hundred forty-one".

Divisors: 1 13 169 342663889 4454630557 57910197241