Base | Representation |
---|---|
bin | 10010111011100… |
… | …110111111010001 |
3 | 211010122120100120 |
4 | 102323212333101 |
5 | 1122302203311 |
6 | 51303340453 |
7 | 10604456256 |
oct | 2273467721 |
9 | 733576316 |
10 | 317616081 |
11 | 153316732 |
12 | 8a451729 |
13 | 50a58113 |
14 | 3027b42d |
15 | 1cd3d706 |
hex | 12ee6fd1 |
317616081 has 16 divisors (see below), whose sum is σ = 434406720. Its totient is φ = 206349120.
The previous prime is 317616071. The next prime is 317616107. The reversal of 317616081 is 180616713.
It is not a de Polignac number, because 317616081 - 27 = 317615953 is a prime.
It is a super-2 number, since 2×3176160812 = 201759949819597122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (317616011) 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, 11986 + ... + 27908.
It is an arithmetic number, because the mean of its divisors is an integer number (27150420).
Almost surely, 2317616081 is an apocalyptic number.
It is an amenable number.
317616081 is a deficient number, since it is larger than the sum of its proper divisors (116790639).
317616081 is a wasteful number, since it uses less digits than its factorization.
317616081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16096.
The product of its (nonzero) digits is 6048, while the sum is 33.
The square root of 317616081 is about 17821.7866949417. The cubic root of 317616081 is about 682.2876248875.
The spelling of 317616081 in words is "three hundred seventeen million, six hundred sixteen thousand, eighty-one".
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