Base | Representation |
---|---|
bin | 11000101001001001… |
… | …00001101010110111 |
3 | 1021011000121201101000 |
4 | 30110210201222313 |
5 | 204043341140203 |
6 | 10024445134343 |
7 | 645565216452 |
oct | 142444415267 |
9 | 37130551330 |
10 | 13230021303 |
11 | 567a002904 |
12 | 269285a3b3 |
13 | 132ac3a895 |
14 | 8d7124499 |
15 | 52673b4a3 |
hex | 314921ab7 |
13230021303 has 8 divisors (see below), whose sum is σ = 19600031600. Its totient is φ = 8820014184.
The previous prime is 13230021253. The next prime is 13230021307. The reversal of 13230021303 is 30312003231.
It is not a de Polignac number, because 13230021303 - 28 = 13230021047 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13230021307) 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, 245000368 + ... + 245000421.
It is an arithmetic number, because the mean of its divisors is an integer number (2450003950).
Almost surely, 213230021303 is an apocalyptic number.
13230021303 is a deficient number, since it is larger than the sum of its proper divisors (6370010297).
13230021303 is an equidigital number, since it uses as much as digits as its factorization.
13230021303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 490000798 (or 490000792 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 13230021303 its reverse (30312003231), we get a palindrome (43542024534).
The spelling of 13230021303 in words is "thirteen billion, two hundred thirty million, twenty-one thousand, three hundred three".
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