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80168442071 is a prime number
BaseRepresentation
bin100101010101001101…
…0010101100011010111
321122221002001211002012
41022222122111203113
52303141110121241
6100455011534435
75535435341234
oct1125232254327
9248832054065
1080168442071
1130aa9aa5103
12136542ba41b
137737cbcc93
143c472a478b
1521431926eb
hex12aa6958d7

80168442071 has 2 divisors, whose sum is σ = 80168442072. Its totient is φ = 80168442070.

The previous prime is 80168441993. The next prime is 80168442119. The reversal of 80168442071 is 17024486108.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80168442071 - 230 = 79094700247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80168442271) 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, 40084221035 + 40084221036.

It is an arithmetic number, because the mean of its divisors is an integer number (40084221036).

Almost surely, 280168442071 is an apocalyptic number.

80168442071 is a deficient number, since it is larger than the sum of its proper divisors (1).

80168442071 is an equidigital number, since it uses as much as digits as its factorization.

80168442071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 41.

The spelling of 80168442071 in words is "eighty billion, one hundred sixty-eight million, four hundred forty-two thousand, seventy-one".