Base | Representation |
---|---|
bin | 11000101101000110… |
… | …01111111111110101 |
3 | 1021020100010110111202 |
4 | 30112203033333311 |
5 | 204130342204310 |
6 | 10032033142245 |
7 | 646450455464 |
oct | 142643177765 |
9 | 37210113452 |
10 | 13263241205 |
11 | 5696832475 |
12 | 26a19ba985 |
13 | 1334a9c326 |
14 | 8db6d09db |
15 | 5295ee3a5 |
hex | 3168cfff5 |
13263241205 has 8 divisors (see below), whose sum is σ = 16464713400. Its totient is φ = 10244710336.
The previous prime is 13263241153. The next prime is 13263241207. The reversal of 13263241205 is 50214236231.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 2901222769 + 10362018436 = 53863^2 + 101794^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13263241205 - 228 = 12994805749 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13263241207) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45735170 + ... + 45735459.
It is an arithmetic number, because the mean of its divisors is an integer number (2058089175).
Almost surely, 213263241205 is an apocalyptic number.
It is an amenable number.
13263241205 is a deficient number, since it is larger than the sum of its proper divisors (3201472195).
13263241205 is an equidigital number, since it uses as much as digits as its factorization.
13263241205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91470663.
The product of its (nonzero) digits is 8640, while the sum is 29.
Adding to 13263241205 its reverse (50214236231), we get a palindrome (63477477436).
The spelling of 13263241205 in words is "thirteen billion, two hundred sixty-three million, two hundred forty-one thousand, two hundred five".
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