Base | Representation |
---|---|
bin | 1111101001101… |
… | …01011100011110 |
3 | 100011001021021022 |
4 | 13310311130132 |
5 | 232102302120 |
6 | 21010004142 |
7 | 3152645222 |
oct | 764653436 |
9 | 304037238 |
10 | 131290910 |
11 | 68123893 |
12 | 37b76652 |
13 | 2127b23a |
14 | 13618782 |
15 | b7d6025 |
hex | 7d3571e |
131290910 has 32 divisors (see below), whose sum is σ = 242689824. Its totient is φ = 51120000.
The previous prime is 131290909. The next prime is 131290919. The reversal of 131290910 is 19092131.
It is a self number, because there is not a number n which added to its sum of digits gives 131290910.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131290919) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60545 + ... + 62675.
It is an arithmetic number, because the mean of its divisors is an integer number (7584057).
Almost surely, 2131290910 is an apocalyptic number.
131290910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131290910 is a deficient number, since it is larger than the sum of its proper divisors (111398914).
131290910 is a wasteful number, since it uses less digits than its factorization.
131290910 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2300.
The product of its (nonzero) digits is 486, while the sum is 26.
The square root of 131290910 is about 11458.2245570594. The cubic root of 131290910 is about 508.2509739065.
The spelling of 131290910 in words is "one hundred thirty-one million, two hundred ninety thousand, nine hundred ten".
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