Base | Representation |
---|---|
bin | 1001101000111… |
… | …00101110011101 |
3 | 12122011000100020 |
4 | 10310130232131 |
5 | 131144424023 |
6 | 12005022353 |
7 | 2001165435 |
oct | 464345635 |
9 | 178130306 |
10 | 80858013 |
11 | 41707905 |
12 | 230b49b9 |
13 | 139a0aa2 |
14 | aa4b2c5 |
15 | 7172de3 |
hex | 4d1cb9d |
80858013 has 16 divisors (see below), whose sum is σ = 112550400. Its totient is φ = 51575040.
The previous prime is 80858009. The next prime is 80858023. The reversal of 80858013 is 31085808.
It is not a de Polignac number, because 80858013 - 22 = 80858009 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80858023) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3393 + ... + 13161.
It is an arithmetic number, because the mean of its divisors is an integer number (7034400).
Almost surely, 280858013 is an apocalyptic number.
It is an amenable number.
80858013 is a deficient number, since it is larger than the sum of its proper divisors (31692387).
80858013 is a wasteful number, since it uses less digits than its factorization.
80858013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9892.
The product of its (nonzero) digits is 7680, while the sum is 33.
The square root of 80858013 is about 8992.1083734573. The cubic root of 80858013 is about 432.4219075595.
The spelling of 80858013 in words is "eighty million, eight hundred fifty-eight thousand, thirteen".
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