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57240202417 is a prime number
BaseRepresentation
bin110101010011110010…
…000010110010110001
312110202011112120011221
4311103302002302301
51414211442434132
642143520105041
74064315456416
oct652362026261
9173664476157
1057240202417
1122303669312
12b115765181
135522a67978
142ab013610d
151750309e97
hexd53c82cb1

57240202417 has 2 divisors, whose sum is σ = 57240202418. Its totient is φ = 57240202416.

The previous prime is 57240202367. The next prime is 57240202421. The reversal of 57240202417 is 71420204275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50801102881 + 6439099536 = 225391^2 + 80244^2 .

It is a cyclic number.

It is not a de Polignac number, because 57240202417 - 27 = 57240202289 is a prime.

It is not a weakly prime, because it can be changed into another prime (57240272417) 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, 28620101208 + 28620101209.

It is an arithmetic number, because the mean of its divisors is an integer number (28620101209).

Almost surely, 257240202417 is an apocalyptic number.

It is an amenable number.

57240202417 is a deficient number, since it is larger than the sum of its proper divisors (1).

57240202417 is an equidigital number, since it uses as much as digits as its factorization.

57240202417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 34.

The spelling of 57240202417 in words is "fifty-seven billion, two hundred forty million, two hundred two thousand, four hundred seventeen".