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16271298431 is a prime number
BaseRepresentation
bin11110010011101100…
…00100111101111111
31112222222022121021122
433021312010331333
5231310423022211
611250330221155
71114134516563
oct171166047577
945888277248
1016271298431
11699a7a6383
1231a12847bb
1316c404504b
14b04dd36a3
156537356db
hex3c9d84f7f

16271298431 has 2 divisors, whose sum is σ = 16271298432. Its totient is φ = 16271298430.

The previous prime is 16271298419. The next prime is 16271298473. The reversal of 16271298431 is 13489217261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16271298431 - 210 = 16271297407 is a prime.

It is a super-2 number, since 2×162712984312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16271298031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8135649215 + 8135649216.

It is an arithmetic number, because the mean of its divisors is an integer number (8135649216).

Almost surely, 216271298431 is an apocalyptic number.

16271298431 is a deficient number, since it is larger than the sum of its proper divisors (1).

16271298431 is an equidigital number, since it uses as much as digits as its factorization.

16271298431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The spelling of 16271298431 in words is "sixteen billion, two hundred seventy-one million, two hundred ninety-eight thousand, four hundred thirty-one".