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27792122319431 is a prime number
BaseRepresentation
bin1100101000110110110111…
…00101000001001001000111
310122101220022210022120211122
412110123123211001021013
512120321231303210211
6135035305202024155
75565625461635321
oct624333345011107
9118356283276748
1027792122319431
118945633568068
12314a37164805b
131267a2a7a2482
146c12084b2611
15332e0be8e6db
hex1946db941247

27792122319431 has 2 divisors, whose sum is σ = 27792122319432. Its totient is φ = 27792122319430.

The previous prime is 27792122319341. The next prime is 27792122319439. The reversal of 27792122319431 is 13491322129772.

It is a happy number.

Together with previous prime (27792122319341) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27792122319431 - 210 = 27792122318407 is a prime.

It is a super-2 number, since 2×277921223194312 (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27792122319439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13896061159715 + 13896061159716.

It is an arithmetic number, because the mean of its divisors is an integer number (13896061159716).

Almost surely, 227792122319431 is an apocalyptic number.

27792122319431 is a deficient number, since it is larger than the sum of its proper divisors (1).

27792122319431 is an equidigital number, since it uses as much as digits as its factorization.

27792122319431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 53.

The spelling of 27792122319431 in words is "twenty-seven trillion, seven hundred ninety-two billion, one hundred twenty-two million, three hundred nineteen thousand, four hundred thirty-one".