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80012 = 2283241
BaseRepresentation
bin10011100010001100
311001202102
4103202030
510030022
61414232
7452162
oct234214
9131672
1080012
1155129
123a378
132a55a
1421232
1518a92
hex1388c

80012 has 12 divisors (see below), whose sum is σ = 142296. Its totient is φ = 39360.

The previous prime is 79999. The next prime is 80021. The reversal of 80012 is 21008.

80012 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.

It is an Ulam number.

80012 is a modest number, since divided by 12 gives 8 as remainder.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 79975 and 80002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212 + ... + 452.

It is an arithmetic number, because the mean of its divisors is an integer number (11858).

280012 is an apocalyptic number.

It is an amenable number.

80012 is a deficient number, since it is larger than the sum of its proper divisors (62284).

80012 is a wasteful number, since it uses less digits than its factorization.

80012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 80012 is about 282.8639248826. The cubic root of 80012 is about 43.0908481276.

The spelling of 80012 in words is "eighty thousand, twelve".

Divisors: 1 2 4 83 166 241 332 482 964 20003 40006 80012