Base | Representation |
---|---|
bin | 1111100111101… |
… | …10000000001010 |
3 | 100010120001210212 |
4 | 13303312000022 |
5 | 232020443200 |
6 | 21000241122 |
7 | 3150513503 |
oct | 763660012 |
9 | 303501725 |
10 | 131031050 |
11 | 67a66627 |
12 | 37a701a2 |
13 | 211b9b87 |
14 | 1358bbaa |
15 | b784035 |
hex | 7cf600a |
131031050 has 24 divisors (see below), whose sum is σ = 247718892. Its totient is φ = 51552000.
The previous prime is 131031031. The next prime is 131031067. The reversal of 131031050 is 50130131.
It can be written as a sum of positive squares in 6 ways, for example, as 1776889 + 129254161 = 1333^2 + 11369^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18431 + ... + 24530.
Almost surely, 2131031050 is an apocalyptic number.
131031050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131031050 is a deficient number, since it is larger than the sum of its proper divisors (116687842).
131031050 is a wasteful number, since it uses less digits than its factorization.
131031050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43034 (or 43029 counting only the distinct ones).
The product of its (nonzero) digits is 45, while the sum is 14.
The square root of 131031050 is about 11446.8794874411. The cubic root of 131031050 is about 507.9154306697.
Adding to 131031050 its reverse (50130131), we get a palindrome (181161181).
The spelling of 131031050 in words is "one hundred thirty-one million, thirty-one thousand, fifty".
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