Base | Representation |
---|---|
bin | 1111101000011… |
… | …01101111000110 |
3 | 100010202000011022 |
4 | 13310031233012 |
5 | 232032101022 |
6 | 21002311142 |
7 | 3151400066 |
oct | 764155706 |
9 | 303660138 |
10 | 131128262 |
11 | 68022671 |
12 | 37ab84b2 |
13 | 212221b5 |
14 | 135b53a6 |
15 | b7a2c42 |
hex | 7d0dbc6 |
131128262 has 8 divisors (see below), whose sum is σ = 198241536. Its totient is φ = 65047752.
The previous prime is 131128247. The next prime is 131128279. The reversal of 131128262 is 262821131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257873 + ... + 258380.
It is an arithmetic number, because the mean of its divisors is an integer number (24780192).
Almost surely, 2131128262 is an apocalyptic number.
131128262 is a deficient number, since it is larger than the sum of its proper divisors (67113274).
131128262 is a wasteful number, since it uses less digits than its factorization.
131128262 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 516382.
The product of its digits is 1152, while the sum is 26.
The square root of 131128262 is about 11451.1249229060. The cubic root of 131128262 is about 508.0410071884.
Adding to 131128262 its reverse (262821131), we get a palindrome (393949393).
The spelling of 131128262 in words is "one hundred thirty-one million, one hundred twenty-eight thousand, two hundred sixty-two".
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