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80671163 is a prime number
BaseRepresentation
bin1001100111011…
…11000110111011
312121210112000212
410303233012323
5131122434123
612001021335
71666456616
oct463570673
9177715025
1080671163
114159a491
122302484b
1313936a21
14a9dd17d
157137878
hex4cef1bb

80671163 has 2 divisors, whose sum is σ = 80671164. Its totient is φ = 80671162.

The previous prime is 80671121. The next prime is 80671177. The reversal of 80671163 is 36117608.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80671163 - 26 = 80671099 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80671193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40335581 + 40335582.

It is an arithmetic number, because the mean of its divisors is an integer number (40335582).

Almost surely, 280671163 is an apocalyptic number.

80671163 is a deficient number, since it is larger than the sum of its proper divisors (1).

80671163 is an equidigital number, since it uses as much as digits as its factorization.

80671163 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 32.

The square root of 80671163 is about 8981.7126985893. The cubic root of 80671163 is about 432.0885645896.

The spelling of 80671163 in words is "eighty million, six hundred seventy-one thousand, one hundred sixty-three".