Base | Representation |
---|---|
bin | 11000101100001001… |
… | …11111101110100011 |
3 | 1021012210012112021102 |
4 | 30112010333232203 |
5 | 204121324411433 |
6 | 10031151145015 |
7 | 646323164240 |
oct | 142604775643 |
9 | 37183175242 |
10 | 13255310243 |
11 | 569230585a |
12 | 269b21516b |
13 | 1333253456 |
14 | 8da6285c7 |
15 | 528a844e8 |
hex | 31613fba3 |
13255310243 has 16 divisors (see below), whose sum is σ = 15641647104. Its totient is φ = 10992343680.
The previous prime is 13255310231. The next prime is 13255310269. The reversal of 13255310243 is 34201355231.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 13255310243 - 26 = 13255310179 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13255310203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1457396 + ... + 1466462.
It is an arithmetic number, because the mean of its divisors is an integer number (977602944).
Almost surely, 213255310243 is an apocalyptic number.
13255310243 is a deficient number, since it is larger than the sum of its proper divisors (2386336861).
13255310243 is an equidigital number, since it uses as much as digits as its factorization.
13255310243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15842.
The product of its (nonzero) digits is 10800, while the sum is 29.
Adding to 13255310243 its reverse (34201355231), we get a palindrome (47456665474).
The spelling of 13255310243 in words is "thirteen billion, two hundred fifty-five million, three hundred ten thousand, two hundred forty-three".
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