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92147986661 is a prime number
BaseRepresentation
bin101010111010001110…
…0101011000011100101
322210211221200201212212
41111310130223003211
53002204341033121
6110155431053205
76441340651223
oct1256434530345
9283757621785
1092147986661
1136097155285
1215a38211205
1388c6b41cc3
1446622b9b13
1525e4c2225b
hex157472b0e5

92147986661 has 2 divisors, whose sum is σ = 92147986662. Its totient is φ = 92147986660.

The previous prime is 92147986643. The next prime is 92147986673. The reversal of 92147986661 is 16668974129.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51242924161 + 40905062500 = 226369^2 + 202250^2 .

It is a cyclic number.

It is not a de Polignac number, because 92147986661 - 210 = 92147985637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 92147986661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (92147986691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46073993330 + 46073993331.

It is an arithmetic number, because the mean of its divisors is an integer number (46073993331).

Almost surely, 292147986661 is an apocalyptic number.

It is an amenable number.

92147986661 is a deficient number, since it is larger than the sum of its proper divisors (1).

92147986661 is an equidigital number, since it uses as much as digits as its factorization.

92147986661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 59.

The spelling of 92147986661 in words is "ninety-two billion, one hundred forty-seven million, nine hundred eighty-six thousand, six hundred sixty-one".