Base | Representation |
---|---|
bin | 11000101001001001… |
… | …11010100011101001 |
3 | 1021011000210220012111 |
4 | 30110210322203221 |
5 | 204043402420431 |
6 | 10024451242321 |
7 | 645566122606 |
oct | 142444724351 |
9 | 37130726174 |
10 | 13230123241 |
11 | 567a072455 |
12 | 26928a93a1 |
13 | 132ac750ba |
14 | 8d714d6ad |
15 | 52675b7b1 |
hex | 31493a8e9 |
13230123241 has 2 divisors, whose sum is σ = 13230123242. Its totient is φ = 13230123240.
The previous prime is 13230123229. The next prime is 13230123293. The reversal of 13230123241 is 14232103231.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 8656441600 + 4573681641 = 93040^2 + 67629^2 .
It is a cyclic number.
It is not a de Polignac number, because 13230123241 - 27 = 13230123113 is a prime.
It is not a weakly prime, because it can be changed into another prime (13230123941) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615061620 + 6615061621.
It is an arithmetic number, because the mean of its divisors is an integer number (6615061621).
Almost surely, 213230123241 is an apocalyptic number.
It is an amenable number.
13230123241 is a deficient number, since it is larger than the sum of its proper divisors (1).
13230123241 is an equidigital number, since it uses as much as digits as its factorization.
13230123241 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 13230123241 its reverse (14232103231), we get a palindrome (27462226472).
The spelling of 13230123241 in words is "thirteen billion, two hundred thirty million, one hundred twenty-three thousand, two hundred forty-one".
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