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57081512141 is a prime number
BaseRepresentation
bin110101001010010100…
…101100000011001101
312110100002221021001022
4311022110230003031
51413400331342031
642120050523525
74060350563513
oct651224540315
9173302837038
1057081512141
1122232030a25
12b0905965a5
1354c8c153b4
142a970284b3
15174141097b
hexd4a52c0cd

57081512141 has 2 divisors, whose sum is σ = 57081512142. Its totient is φ = 57081512140.

The previous prime is 57081512099. The next prime is 57081512149. The reversal of 57081512141 is 14121518075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47230155625 + 9851356516 = 217325^2 + 99254^2 .

It is a cyclic number.

It is not a de Polignac number, because 57081512141 - 230 = 56007770317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57081512149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28540756070 + 28540756071.

It is an arithmetic number, because the mean of its divisors is an integer number (28540756071).

Almost surely, 257081512141 is an apocalyptic number.

It is an amenable number.

57081512141 is a deficient number, since it is larger than the sum of its proper divisors (1).

57081512141 is an equidigital number, since it uses as much as digits as its factorization.

57081512141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 35.

The spelling of 57081512141 in words is "fifty-seven billion, eighty-one million, five hundred twelve thousand, one hundred forty-one".