Base | Representation |
---|---|
bin | 1111101000011… |
… | …10010000111000 |
3 | 100010202010010101 |
4 | 13310032100320 |
5 | 232032133144 |
6 | 21002325144 |
7 | 3151406305 |
oct | 764162070 |
9 | 303663111 |
10 | 131130424 |
11 | 68024257 |
12 | 37ab97b4 |
13 | 21223189 |
14 | 135b60ac |
15 | b7a36d4 |
hex | 7d0e438 |
131130424 has 8 divisors (see below), whose sum is σ = 245869560. Its totient is φ = 65565208.
The previous prime is 131130361. The next prime is 131130437. The reversal of 131130424 is 424031131.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
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 as a sum of consecutive naturals, namely, 8195644 + ... + 8195659.
It is an arithmetic number, because the mean of its divisors is an integer number (30733695).
Almost surely, 2131130424 is an apocalyptic number.
It is an amenable number.
131130424 is a deficient number, since it is larger than the sum of its proper divisors (114739136).
131130424 is a wasteful number, since it uses less digits than its factorization.
131130424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16391309 (or 16391305 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 131130424 is about 11451.2193237227. The cubic root of 131130424 is about 508.0437993112.
Adding to 131130424 its reverse (424031131), we get a palindrome (555161555).
The spelling of 131130424 in words is "one hundred thirty-one million, one hundred thirty thousand, four hundred twenty-four".
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