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8079146069 is a prime number
BaseRepresentation
bin1111000011000110…
…11111110001010101
3202212001100010220012
413201203133301111
5113021230133234
63413404050005
7404131415501
oct74143376125
922761303805
108079146069
113476516025
121695833905
139b9a64907
14568dcb301
153244310ce
hex1e18dfc55

8079146069 has 2 divisors, whose sum is σ = 8079146070. Its totient is φ = 8079146068.

The previous prime is 8079146051. The next prime is 8079146071. The reversal of 8079146069 is 9606419708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6119932900 + 1959213169 = 78230^2 + 44263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8079146069 is a prime.

It is a super-2 number, since 2×80791460692 (a number of 21 digits) contains 22 as substring.

Together with 8079146071, 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 (8079146869) 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, 4039573034 + 4039573035.

It is an arithmetic number, because the mean of its divisors is an integer number (4039573035).

Almost surely, 28079146069 is an apocalyptic number.

It is an amenable number.

8079146069 is a deficient number, since it is larger than the sum of its proper divisors (1).

8079146069 is an equidigital number, since it uses as much as digits as its factorization.

8079146069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 8079146069 is about 89884.0701626267. The cubic root of 8079146069 is about 2006.5738741646.

The spelling of 8079146069 in words is "eight billion, seventy-nine million, one hundred forty-six thousand, sixty-nine".