Base | Representation |
---|---|
bin | 1111101100100… |
… | …10001111101001 |
3 | 100011202120200100 |
4 | 13312102033221 |
5 | 232201433032 |
6 | 21022100013 |
7 | 3156120342 |
oct | 766221751 |
9 | 304676610 |
10 | 131671017 |
11 | 68363425 |
12 | 3811a609 |
13 | 2138225a |
14 | 136b70c9 |
15 | b85d97c |
hex | 7d923e9 |
131671017 has 12 divisors (see below), whose sum is σ = 194238720. Its totient is φ = 85912728.
The previous prime is 131671009. The next prime is 131671037. The reversal of 131671017 is 710176131.
It is not a de Polignac number, because 131671017 - 23 = 131671009 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131671037) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155217 + ... + 156062.
It is an arithmetic number, because the mean of its divisors is an integer number (16186560).
Almost surely, 2131671017 is an apocalyptic number.
It is an amenable number.
131671017 is a deficient number, since it is larger than the sum of its proper divisors (62567703).
131671017 is a wasteful number, since it uses less digits than its factorization.
131671017 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 311332 (or 311329 counting only the distinct ones).
The product of its (nonzero) digits is 882, while the sum is 27.
The square root of 131671017 is about 11474.7992139296. The cubic root of 131671017 is about 508.7409890807.
The spelling of 131671017 in words is "one hundred thirty-one million, six hundred seventy-one thousand, seventeen".
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