Base | Representation |
---|---|
bin | 1111100001011… |
… | …10001001011011 |
3 | 100002000110220002 |
4 | 13300232021123 |
5 | 231313244233 |
6 | 20530523215 |
7 | 3140534054 |
oct | 760561133 |
9 | 302013802 |
10 | 130212443 |
11 | 67557599 |
12 | 3773650b |
13 | 20c913aa |
14 | 1341772b |
15 | b6716e8 |
hex | 7c2e25b |
130212443 has 2 divisors, whose sum is σ = 130212444. Its totient is φ = 130212442.
The previous prime is 130212413. The next prime is 130212451. The reversal of 130212443 is 344212031.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-130212443 is a prime.
It is not a weakly prime, because it can be changed into another prime (130212413) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65106221 + 65106222.
It is an arithmetic number, because the mean of its divisors is an integer number (65106222).
Almost surely, 2130212443 is an apocalyptic number.
130212443 is a deficient number, since it is larger than the sum of its proper divisors (1).
130212443 is an equidigital number, since it uses as much as digits as its factorization.
130212443 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 130212443 is about 11411.0666898411. The cubic root of 130212443 is about 506.8554986839.
Adding to 130212443 its reverse (344212031), we get a palindrome (474424474).
The spelling of 130212443 in words is "one hundred thirty million, two hundred twelve thousand, four hundred forty-three".
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