Base | Representation |
---|---|
bin | 1111101000011… |
… | …00110011001011 |
3 | 100010201210220021 |
4 | 13310030303023 |
5 | 232031440202 |
6 | 21002241311 |
7 | 3151352650 |
oct | 764146313 |
9 | 303653807 |
10 | 131124427 |
11 | 6801a7a5 |
12 | 37ab6237 |
13 | 21220525 |
14 | 135b3c27 |
15 | b7a1a37 |
hex | 7d0cccb |
131124427 has 8 divisors (see below), whose sum is σ = 152093696. Its totient is φ = 110714472.
The previous prime is 131124421. The next prime is 131124463. The reversal of 131124427 is 724421131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131124427 - 23 = 131124419 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131124421) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139323 + ... + 140260.
It is an arithmetic number, because the mean of its divisors is an integer number (19011712).
Almost surely, 2131124427 is an apocalyptic number.
131124427 is a deficient number, since it is larger than the sum of its proper divisors (20969269).
131124427 is an equidigital number, since it uses as much as digits as its factorization.
131124427 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 279657.
The product of its digits is 1344, while the sum is 25.
The square root of 131124427 is about 11450.9574708843. The cubic root of 131124427 is about 508.0360543882.
Adding to 131124427 its reverse (724421131), we get a palindrome (855545558).
The spelling of 131124427 in words is "one hundred thirty-one million, one hundred twenty-four thousand, four hundred twenty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •