Base | Representation |
---|---|
bin | 1111100011011… |
… | …00000110101101 |
3 | 100002111101000021 |
4 | 13301230012231 |
5 | 231344404341 |
6 | 20540202141 |
7 | 3142641664 |
oct | 761540655 |
9 | 302441007 |
10 | 130466221 |
11 | 67710226 |
12 | 37839351 |
13 | 2104ca62 |
14 | 13481ddb |
15 | b6c19d1 |
hex | 7c6c1ad |
130466221 has 2 divisors, whose sum is σ = 130466222. Its totient is φ = 130466220.
The previous prime is 130466201. The next prime is 130466243. The reversal of 130466221 is 122664031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 129709321 + 756900 = 11389^2 + 870^2 .
It is a cyclic number.
It is not a de Polignac number, because 130466221 - 27 = 130466093 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130466201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65233110 + 65233111.
It is an arithmetic number, because the mean of its divisors is an integer number (65233111).
Almost surely, 2130466221 is an apocalyptic number.
It is an amenable number.
130466221 is a deficient number, since it is larger than the sum of its proper divisors (1).
130466221 is an equidigital number, since it uses as much as digits as its factorization.
130466221 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 130466221 is about 11422.1810964456. The cubic root of 130466221 is about 507.1845642691.
The spelling of 130466221 in words is "one hundred thirty million, four hundred sixty-six thousand, two hundred twenty-one".
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