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75015142057 is a prime number
BaseRepresentation
bin100010111011101000…
…0000011101010101001
321011121221020001102201
41011313100003222221
52212112334021212
654243402500201
75263642121032
oct1056720035251
9234557201381
1075015142057
11298a5101579
1212656504661
1370c647842b
1438b8ad9a89
151e40a58b57
hex1177403aa9

75015142057 has 2 divisors, whose sum is σ = 75015142058. Its totient is φ = 75015142056.

The previous prime is 75015141941. The next prime is 75015142093. The reversal of 75015142057 is 75024151057.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63549872281 + 11465269776 = 252091^2 + 107076^2 .

It is a cyclic number.

It is not a de Polignac number, because 75015142057 - 215 = 75015109289 is a prime.

It is not a weakly prime, because it can be changed into another prime (75015142457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37507571028 + 37507571029.

It is an arithmetic number, because the mean of its divisors is an integer number (37507571029).

Almost surely, 275015142057 is an apocalyptic number.

It is an amenable number.

75015142057 is a deficient number, since it is larger than the sum of its proper divisors (1).

75015142057 is an equidigital number, since it uses as much as digits as its factorization.

75015142057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49000, while the sum is 37.

The spelling of 75015142057 in words is "seventy-five billion, fifteen million, one hundred forty-two thousand, fifty-seven".