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102771866231 is a prime number
BaseRepresentation
bin101111110110110101…
…1100011101001110111
3100211021100101201212222
41133231223203221313
53140434044204411
6115113541432555
710265532310106
oct1375553435167
9324240351788
10102771866231
113a649048241
1217b0210b75b
1398cab69288
144d8d24003d
152a177684db
hex17edae3a77

102771866231 has 2 divisors, whose sum is σ = 102771866232. Its totient is φ = 102771866230.

The previous prime is 102771866209. The next prime is 102771866233. The reversal of 102771866231 is 132668177201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102771866231 - 214 = 102771849847 is a prime.

It is a super-2 number, since 2×1027718662312 (a number of 23 digits) contains 22 as substring.

Together with 102771866233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102771866233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51385933115 + 51385933116.

It is an arithmetic number, because the mean of its divisors is an integer number (51385933116).

Almost surely, 2102771866231 is an apocalyptic number.

102771866231 is a deficient number, since it is larger than the sum of its proper divisors (1).

102771866231 is an equidigital number, since it uses as much as digits as its factorization.

102771866231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 102771866231 in words is "one hundred two billion, seven hundred seventy-one million, eight hundred sixty-six thousand, two hundred thirty-one".