Base | Representation |
---|---|
bin | 1111100111111… |
… | …10101000111000 |
3 | 100010121212100000 |
4 | 13303332220320 |
5 | 232023111144 |
6 | 21001113000 |
7 | 3151021566 |
oct | 763765070 |
9 | 303555300 |
10 | 131066424 |
11 | 67a90165 |
12 | 37a88760 |
13 | 211cccc8 |
14 | 1359aa36 |
15 | b78e769 |
hex | 7cfea38 |
131066424 has 48 divisors (see below), whose sum is σ = 368124120. Its totient is φ = 43688160.
The previous prime is 131066371. The next prime is 131066437. The reversal of 131066424 is 424660131.
131066424 is a `hidden beast` number, since 1 + 3 + 10 + 6 + 642 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 31767 + ... + 35654.
Almost surely, 2131066424 is an apocalyptic number.
It is an amenable number.
131066424 is an abundant number, since it is smaller than the sum of its proper divisors (237057696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131066424 is an equidigital number, since it uses as much as digits as its factorization.
131066424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67442 (or 67426 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 131066424 is about 11448.4245204307. The cubic root of 131066424 is about 507.9611332820.
The spelling of 131066424 in words is "one hundred thirty-one million, sixty-six thousand, four hundred twenty-four".
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