Base | Representation |
---|---|
bin | 1111100010010… |
… | …11011001000111 |
3 | 100002020120012200 |
4 | 13301023121013 |
5 | 231331112411 |
6 | 20533245543 |
7 | 3141543231 |
oct | 761133107 |
9 | 302216180 |
10 | 130332231 |
11 | 67629597 |
12 | 377938b3 |
13 | 21003a83 |
14 | 13449251 |
15 | b696e56 |
hex | 7c4b647 |
130332231 has 12 divisors (see below), whose sum is σ = 188357208. Its totient is φ = 86842224.
The previous prime is 130332221. The next prime is 130332233. The reversal of 130332231 is 132233031.
It is not a de Polignac number, because 130332231 - 25 = 130332199 is a prime.
It is a super-2 number, since 2×1303322312 = 33972980874874722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130332233) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28596 + ... + 32838.
It is an arithmetic number, because the mean of its divisors is an integer number (15696434).
Almost surely, 2130332231 is an apocalyptic number.
130332231 is a deficient number, since it is larger than the sum of its proper divisors (58024977).
130332231 is a wasteful number, since it uses less digits than its factorization.
130332231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7662 (or 7659 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
The square root of 130332231 is about 11416.3142476020. The cubic root of 130332231 is about 507.0108770702.
Adding to 130332231 its reverse (132233031), we get a palindrome (262565262).
The spelling of 130332231 in words is "one hundred thirty million, three hundred thirty-two thousand, two hundred thirty-one".
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