Base | Representation |
---|---|
bin | 1001101001001… |
… | …01110000100100 |
3 | 12122012220002120 |
4 | 10310211300210 |
5 | 131202120022 |
6 | 12005505540 |
7 | 2001411342 |
oct | 464456044 |
9 | 178186076 |
10 | 80895012 |
11 | 41732690 |
12 | 231122b0 |
13 | 139b4893 |
14 | aa5a992 |
15 | 717dd5c |
hex | 4d25c24 |
80895012 has 24 divisors (see below), whose sum is σ = 205914912. Its totient is φ = 24513600.
The previous prime is 80895011. The next prime is 80895019. The reversal of 80895012 is 21059808.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (80895011) 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 7 ways as a sum of consecutive naturals, for example, 306289 + ... + 306552.
It is an arithmetic number, because the mean of its divisors is an integer number (8579788).
Almost surely, 280895012 is an apocalyptic number.
It is an amenable number.
80895012 is an abundant number, since it is smaller than the sum of its proper divisors (125019900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80895012 is a wasteful number, since it uses less digits than its factorization.
80895012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 612859 (or 612857 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 33.
The square root of 80895012 is about 8994.1654421075. The cubic root of 80895012 is about 432.4878533571.
The spelling of 80895012 in words is "eighty million, eight hundred ninety-five thousand, twelve".
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