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92090399281 is a prime number
BaseRepresentation
bin101010111000100000…
…0111111101000110001
322210200221022222211221
41111301000333220301
53002100120234111
6110150012505041
76440041323046
oct1256100775061
9283627288757
1092090399281
11360676a2001
1215a20a7b181
1388b7c2b22a
1446587a91cd
1525deb49371
hex157103fa31

92090399281 has 2 divisors, whose sum is σ = 92090399282. Its totient is φ = 92090399280.

The previous prime is 92090399273. The next prime is 92090399309. The reversal of 92090399281 is 18299309029.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79180894881 + 12909504400 = 281391^2 + 113620^2 .

It is a cyclic number.

It is not a de Polignac number, because 92090399281 - 23 = 92090399273 is a prime.

It is a super-2 number, since 2×920903992812 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (92090399201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46045199640 + 46045199641.

It is an arithmetic number, because the mean of its divisors is an integer number (46045199641).

Almost surely, 292090399281 is an apocalyptic number.

It is an amenable number.

92090399281 is a deficient number, since it is larger than the sum of its proper divisors (1).

92090399281 is an equidigital number, since it uses as much as digits as its factorization.

92090399281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 52.

The spelling of 92090399281 in words is "ninety-two billion, ninety million, three hundred ninety-nine thousand, two hundred eighty-one".