Base | Representation |
---|---|
bin | 10010111011110… |
… | …110101000000011 |
3 | 211010202211012210 |
4 | 102323312220003 |
5 | 1122311231011 |
6 | 51304553203 |
7 | 10605144066 |
oct | 2273665003 |
9 | 733684183 |
10 | 317680131 |
11 | 15335a86a |
12 | 8a482803 |
13 | 50a7b312 |
14 | 302968dd |
15 | 1cd526a6 |
hex | 12ef6a03 |
317680131 has 16 divisors (see below), whose sum is σ = 437829120. Its totient is φ = 204777120.
The previous prime is 317680063. The next prime is 317680169. The reversal of 317680131 is 131086713.
It is not a de Polignac number, because 317680131 - 218 = 317417987 is a prime.
It is a super-2 number, since 2×3176801312 = 201841331264354322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (317684131) 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, 3915 + ... + 25508.
It is an arithmetic number, because the mean of its divisors is an integer number (27364320).
Almost surely, 2317680131 is an apocalyptic number.
317680131 is a deficient number, since it is larger than the sum of its proper divisors (120148989).
317680131 is a wasteful number, since it uses less digits than its factorization.
317680131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29546.
The product of its (nonzero) digits is 3024, while the sum is 30.
The square root of 317680131 is about 17823.5835622357. The cubic root of 317680131 is about 682.3334848505. Note that the first 3 decimals are identical.
The spelling of 317680131 in words is "three hundred seventeen million, six hundred eighty thousand, one hundred thirty-one".
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