Base | Representation |
---|---|
bin | 1111100001100… |
… | …00110000100101 |
3 | 100002001000120022 |
4 | 13300300300211 |
5 | 231314120031 |
6 | 20531044525 |
7 | 3140610206 |
oct | 760606045 |
9 | 302030508 |
10 | 130223141 |
11 | 67564634 |
12 | 37740745 |
13 | 20c96219 |
14 | 1341b5ad |
15 | b67497b |
hex | 7c30c25 |
130223141 has 2 divisors, whose sum is σ = 130223142. Its totient is φ = 130223140.
The previous prime is 130223129. The next prime is 130223147. The reversal of 130223141 is 141322031.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 128346241 + 1876900 = 11329^2 + 1370^2 .
It is an emirp because it is prime and its reverse (141322031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 130223141 - 218 = 129960997 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130223147) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65111570 + 65111571.
It is an arithmetic number, because the mean of its divisors is an integer number (65111571).
Almost surely, 2130223141 is an apocalyptic number.
It is an amenable number.
130223141 is a deficient number, since it is larger than the sum of its proper divisors (1).
130223141 is an equidigital number, since it uses as much as digits as its factorization.
130223141 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 130223141 is about 11411.5354356896. The cubic root of 130223141 is about 506.8693790564.
Adding to 130223141 its reverse (141322031), we get a palindrome (271545172).
The spelling of 130223141 in words is "one hundred thirty million, two hundred twenty-three thousand, one hundred forty-one".
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