Base | Representation |
---|---|
bin | 1111100010010… |
… | …10111110100011 |
3 | 100002020110212201 |
4 | 13301022332203 |
5 | 231331034111 |
6 | 20533234031 |
7 | 3141535252 |
oct | 761127643 |
9 | 302213781 |
10 | 130330531 |
11 | 67628291 |
12 | 37792917 |
13 | 21003076 |
14 | 13448799 |
15 | b6966c1 |
hex | 7c4afa3 |
130330531 has 2 divisors, whose sum is σ = 130330532. Its totient is φ = 130330530.
The previous prime is 130330523. The next prime is 130330547. The reversal of 130330531 is 135033031.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 130330531 - 23 = 130330523 is a prime.
It is a super-3 number, since 3×1303305313 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 130330499 and 130330508.
It is not a weakly prime, because it can be changed into another prime (130330591) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65165265 + 65165266.
It is an arithmetic number, because the mean of its divisors is an integer number (65165266).
Almost surely, 2130330531 is an apocalyptic number.
130330531 is a deficient number, since it is larger than the sum of its proper divisors (1).
130330531 is an equidigital number, since it uses as much as digits as its factorization.
130330531 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 405, while the sum is 19.
The square root of 130330531 is about 11416.2397925061. The cubic root of 130330531 is about 507.0086726468.
Adding to 130330531 its reverse (135033031), we get a palindrome (265363562).
The spelling of 130330531 in words is "one hundred thirty million, three hundred thirty thousand, five hundred thirty-one".
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