Base | Representation |
---|---|
bin | 110011111111… |
… | …101001101101 |
3 | 221122110221002 |
4 | 303333221231 |
5 | 11442130221 |
6 | 1204050045 |
7 | 223565534 |
oct | 63775155 |
9 | 27573832 |
10 | 13630061 |
11 | 776a515 |
12 | 4693925 |
13 | 2a92c33 |
14 | 1b4b31b |
15 | 12e380b |
hex | cffa6d |
13630061 has 2 divisors, whose sum is σ = 13630062. Its totient is φ = 13630060.
The previous prime is 13630037. The next prime is 13630091. The reversal of 13630061 is 16003631.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 13097161 + 532900 = 3619^2 + 730^2 .
It is a cyclic number.
It is not a de Polignac number, because 13630061 - 26 = 13629997 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 (13630031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6815030 + 6815031.
It is an arithmetic number, because the mean of its divisors is an integer number (6815031).
Almost surely, 213630061 is an apocalyptic number.
It is an amenable number.
13630061 is a deficient number, since it is larger than the sum of its proper divisors (1).
13630061 is an equidigital number, since it uses as much as digits as its factorization.
13630061 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 324, while the sum is 20.
The square root of 13630061 is about 3691.8912497526. The cubic root of 13630061 is about 238.8723780749.
Adding to 13630061 its reverse (16003631), we get a palindrome (29633692).
The spelling of 13630061 in words is "thirteen million, six hundred thirty thousand, sixty-one".
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