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57208484317 is a prime number
BaseRepresentation
bin110101010001111001…
…000011000111011101
312110122221212010010111
4311101321003013131
51414130332444232
642140424210021
74063452044005
oct652171030735
9173587763114
1057208484317
1122297775006
12b107009911
13551931096a
142aa9c3b005
15174c642047
hexd51e431dd

57208484317 has 2 divisors, whose sum is σ = 57208484318. Its totient is φ = 57208484316.

The previous prime is 57208484273. The next prime is 57208484329. The reversal of 57208484317 is 71348480275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36475652196 + 20732832121 = 190986^2 + 143989^2 .

It is a cyclic number.

It is not a de Polignac number, because 57208484317 - 215 = 57208451549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57208484357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28604242158 + 28604242159.

It is an arithmetic number, because the mean of its divisors is an integer number (28604242159).

Almost surely, 257208484317 is an apocalyptic number.

It is an amenable number.

57208484317 is a deficient number, since it is larger than the sum of its proper divisors (1).

57208484317 is an equidigital number, since it uses as much as digits as its factorization.

57208484317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 57208484317 in words is "fifty-seven billion, two hundred eight million, four hundred eighty-four thousand, three hundred seventeen".