Base | Representation |
---|---|
bin | 1010001001000… |
… | …11011111001100 |
3 | 12221002111211120 |
4 | 11010203133030 |
5 | 133240030022 |
6 | 12235320540 |
7 | 2052111453 |
oct | 504433714 |
9 | 187074746 |
10 | 85080012 |
11 | 44030966 |
12 | 245b0150 |
13 | 1481b704 |
14 | b429b9a |
15 | 7708d5c |
hex | 51237cc |
85080012 has 12 divisors (see below), whose sum is σ = 198520056. Its totient is φ = 28360000.
The previous prime is 85080007. The next prime is 85080049. The reversal of 85080012 is 21008058.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
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, 3544989 + ... + 3545012.
It is an arithmetic number, because the mean of its divisors is an integer number (16543338).
Almost surely, 285080012 is an apocalyptic number.
It is an amenable number.
85080012 is an abundant number, since it is smaller than the sum of its proper divisors (113440044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85080012 is a wasteful number, since it uses less digits than its factorization.
85080012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7090008 (or 7090006 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 24.
The square root of 85080012 is about 9223.8826965655. The cubic root of 85080012 is about 439.8208843956.
The spelling of 85080012 in words is "eighty-five million, eighty thousand, twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •