Base | Representation |
---|---|
bin | 1111100100000… |
… | …11010011010001 |
3 | 100002200012100020 |
4 | 13302003103101 |
5 | 231410424413 |
6 | 20542214053 |
7 | 3143515665 |
oct | 762032321 |
9 | 302605306 |
10 | 130561233 |
11 | 67775650 |
12 | 37884329 |
13 | 2108408a |
14 | 134a88a5 |
15 | b6dec23 |
hex | 7c834d1 |
130561233 has 8 divisors (see below), whose sum is σ = 189907296. Its totient is φ = 79128000.
The previous prime is 130561231. The next prime is 130561247. The reversal of 130561233 is 332165031.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 130561233 - 21 = 130561231 is a prime.
It is not an unprimeable number, because it can be changed into a prime (130561231) by changing a digit.
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 in 7 ways as a sum of consecutive naturals, for example, 1978168 + ... + 1978233.
It is an arithmetic number, because the mean of its divisors is an integer number (23738412).
Almost surely, 2130561233 is an apocalyptic number.
It is an amenable number.
130561233 is a deficient number, since it is larger than the sum of its proper divisors (59346063).
130561233 is a wasteful number, since it uses less digits than its factorization.
130561233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3956415.
The product of its (nonzero) digits is 1620, while the sum is 24.
The square root of 130561233 is about 11426.3394400832. The cubic root of 130561233 is about 507.3076534140.
The spelling of 130561233 in words is "one hundred thirty million, five hundred sixty-one thousand, two hundred thirty-three".
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