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57442671071 is a prime number
BaseRepresentation
bin110101011111110110…
…011001100111011111
312111021021112000221222
4311133312121213133
51420120310433241
642215551443555
74102324435142
oct653766314737
9174237460858
1057442671071
11223a7987a85
12b1715265bb
1355559a77c6
142accd9c059
151762ea0a4b
hexd5fd999df

57442671071 has 2 divisors, whose sum is σ = 57442671072. Its totient is φ = 57442671070.

The previous prime is 57442671049. The next prime is 57442671107. The reversal of 57442671071 is 17017624475.

Together with next prime (57442671107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57442671071 - 26 = 57442671007 is a prime.

It is a super-2 number, since 2×574426710712 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57442671031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28721335535 + 28721335536.

It is an arithmetic number, because the mean of its divisors is an integer number (28721335536).

Almost surely, 257442671071 is an apocalyptic number.

57442671071 is a deficient number, since it is larger than the sum of its proper divisors (1).

57442671071 is an equidigital number, since it uses as much as digits as its factorization.

57442671071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 329280, while the sum is 44.

The spelling of 57442671071 in words is "fifty-seven billion, four hundred forty-two million, six hundred seventy-one thousand, seventy-one".