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57171438271 is a prime number
BaseRepresentation
bin110101001111101011…
…101110101010111111
312110120101010222111201
4311033223232222333
51414041342011041
642133022200331
74062522131023
oct651753565277
9173511128451
1057171438271
1122278871842
12b0b67230a7
13551173c81c
142aa4d56383
151749275631
hexd4faeeabf

57171438271 has 2 divisors, whose sum is σ = 57171438272. Its totient is φ = 57171438270.

The previous prime is 57171438253. The next prime is 57171438371. The reversal of 57171438271 is 17283417175.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57171438271 - 215 = 57171405503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57171438241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28585719135 + 28585719136.

It is an arithmetic number, because the mean of its divisors is an integer number (28585719136).

Almost surely, 257171438271 is an apocalyptic number.

57171438271 is a deficient number, since it is larger than the sum of its proper divisors (1).

57171438271 is an equidigital number, since it uses as much as digits as its factorization.

57171438271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 329280, while the sum is 46.

The spelling of 57171438271 in words is "fifty-seven billion, one hundred seventy-one million, four hundred thirty-eight thousand, two hundred seventy-one".