Base | Representation |
---|---|
bin | 1111101001111… |
… | …00100100111010 |
3 | 100011002202100020 |
4 | 13310330210322 |
5 | 232104220442 |
6 | 21010351310 |
7 | 3153126333 |
oct | 764744472 |
9 | 304082306 |
10 | 131320122 |
11 | 6814382a |
12 | 37b8b536 |
13 | 2128b61b |
14 | 1362528a |
15 | b7de9ec |
hex | 7d3c93a |
131320122 has 8 divisors (see below), whose sum is σ = 262640256. Its totient is φ = 43773372.
The previous prime is 131320093. The next prime is 131320139. The reversal of 131320122 is 221023131.
It is a sphenic number, since it is the product of 3 distinct primes.
131320122 is an admirable 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, 10943338 + ... + 10943349.
It is an arithmetic number, because the mean of its divisors is an integer number (32830032).
Almost surely, 2131320122 is an apocalyptic number.
131320122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131320122 is a wasteful number, since it uses less digits than its factorization.
131320122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21886692.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 131320122 is about 11459.4992037174. The cubic root of 131320122 is about 508.2886660982.
Adding to 131320122 its reverse (221023131), we get a palindrome (352343253).
The spelling of 131320122 in words is "one hundred thirty-one million, three hundred twenty thousand, one hundred twenty-two".
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