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80108164 = 2271282071
BaseRepresentation
bin1001100011001…
…01101010000100
312120201220202001
410301211222010
5131001430124
611540555044
71661623333
oct461455204
9176656661
1080108164
11412454a4
12229b2a84
131379a6a6
14a8d3d1a
157075b44
hex4c65a84

80108164 has 12 divisors (see below), whose sum is σ = 142164288. Its totient is φ = 39489800.

The previous prime is 80108113. The next prime is 80108167. The reversal of 80108164 is 46180108.

It is not an unprimeable number, because it can be changed into a prime (80108167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140752 + ... + 141319.

It is an arithmetic number, because the mean of its divisors is an integer number (11847024).

Almost surely, 280108164 is an apocalyptic number.

It is an amenable number.

80108164 is a deficient number, since it is larger than the sum of its proper divisors (62056124).

80108164 is a wasteful number, since it uses less digits than its factorization.

80108164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282146 (or 282144 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 80108164 is about 8950.3164189877. The cubic root of 80108164 is about 431.0810441138.

The spelling of 80108164 in words is "eighty million, one hundred eight thousand, one hundred sixty-four".

Divisors: 1 2 4 71 142 284 282071 564142 1128284 20027041 40054082 80108164