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80331163 = 117302833
BaseRepresentation
bin1001100100111…
…00000110011011
312121011020122021
410302130012123
5131031044123
611545435311
71663542433
oct462340633
9177136567
1080331163
1141387aa0
1222a9bb37
1313848043
14a9512c3
1570bbc5d
hex4c9c19b

80331163 has 4 divisors (see below), whose sum is σ = 87634008. Its totient is φ = 73028320.

The previous prime is 80331161. The next prime is 80331179. The reversal of 80331163 is 36113308.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80331163 - 21 = 80331161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80331161) 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 in 3 ways as a sum of consecutive naturals, for example, 3651406 + ... + 3651427.

It is an arithmetic number, because the mean of its divisors is an integer number (21908502).

Almost surely, 280331163 is an apocalyptic number.

80331163 is a deficient number, since it is larger than the sum of its proper divisors (7302845).

80331163 is a wasteful number, since it uses less digits than its factorization.

80331163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7302844.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 80331163 is about 8962.7653656670. The cubic root of 80331163 is about 431.4806770362.

The spelling of 80331163 in words is "eighty million, three hundred thirty-one thousand, one hundred sixty-three".

Divisors: 1 11 7302833 80331163