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57712658461 is a prime number
BaseRepresentation
bin110101101111111100…
…010100100000011101
312111222002112211000221
4311233330110200131
51421143420032321
642302434321341
74112113334323
oct655774244035
9174862484027
1057712658461
1122526322557
12b227a29251
1355998c7963
142b16b9bd13
15177ba31e41
hexd6ff1481d

57712658461 has 2 divisors, whose sum is σ = 57712658462. Its totient is φ = 57712658460.

The previous prime is 57712658453. The next prime is 57712658501. The reversal of 57712658461 is 16485621775.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57111918361 + 600740100 = 238981^2 + 24510^2 .

It is a cyclic number.

It is not a de Polignac number, because 57712658461 - 23 = 57712658453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57712658399 and 57712658408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57712658431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28856329230 + 28856329231.

It is an arithmetic number, because the mean of its divisors is an integer number (28856329231).

Almost surely, 257712658461 is an apocalyptic number.

It is an amenable number.

57712658461 is a deficient number, since it is larger than the sum of its proper divisors (1).

57712658461 is an equidigital number, since it uses as much as digits as its factorization.

57712658461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2822400, while the sum is 52.

The spelling of 57712658461 in words is "fifty-seven billion, seven hundred twelve million, six hundred fifty-eight thousand, four hundred sixty-one".