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80161927 is a prime number
BaseRepresentation
bin1001100011100…
…10110010000111
312120211122111021
410301302302013
5131010140202
611542052011
71662236146
oct461626207
9176748437
1080161927
114128192a
1222a1a007
13137b8cc1
14a90975d
157086a37
hex4c72c87

80161927 has 2 divisors, whose sum is σ = 80161928. Its totient is φ = 80161926.

The previous prime is 80161909. The next prime is 80161973. The reversal of 80161927 is 72916108.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80161927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80161892 and 80161901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80161427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40080963 + 40080964.

It is an arithmetic number, because the mean of its divisors is an integer number (40080964).

Almost surely, 280161927 is an apocalyptic number.

80161927 is a deficient number, since it is larger than the sum of its proper divisors (1).

80161927 is an equidigital number, since it uses as much as digits as its factorization.

80161927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 80161927 is about 8953.3193286066. The cubic root of 80161927 is about 431.1774597024.

The spelling of 80161927 in words is "eighty million, one hundred sixty-one thousand, nine hundred twenty-seven".