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57426533473 is a prime number
BaseRepresentation
bin110101011110111000…
…110101110001100001
312111020011011011100011
4311132320311301201
51420102143032343
642214213524521
74102040323561
oct653670656141
9174204134304
1057426533473
1122399865621
12b168043741
13555254742a
142acab9ada1
15176186429d
hexd5ee35c61

57426533473 has 2 divisors, whose sum is σ = 57426533474. Its totient is φ = 57426533472.

The previous prime is 57426533471. The next prime is 57426533491. The reversal of 57426533473 is 37433562475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57423495424 + 3038049 = 239632^2 + 1743^2 .

It is a cyclic number.

It is not a de Polignac number, because 57426533473 - 21 = 57426533471 is a prime.

Together with 57426533471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (57426533471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28713266736 + 28713266737.

It is an arithmetic number, because the mean of its divisors is an integer number (28713266737).

Almost surely, 257426533473 is an apocalyptic number.

It is an amenable number.

57426533473 is a deficient number, since it is larger than the sum of its proper divisors (1).

57426533473 is an equidigital number, since it uses as much as digits as its factorization.

57426533473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6350400, while the sum is 49.

The spelling of 57426533473 in words is "fifty-seven billion, four hundred twenty-six million, five hundred thirty-three thousand, four hundred seventy-three".