Base | Representation |
---|---|
bin | 11000001111010011… |
… | …00000011100100011 |
3 | 1020120220200020021202 |
4 | 30013221200130203 |
5 | 203122341120303 |
6 | 5551142311415 |
7 | 640323400151 |
oct | 140751403443 |
9 | 36526606252 |
10 | 13013223203 |
11 | 5578697222 |
12 | 263212856b |
13 | 12c5051696 |
14 | 8b640c3d1 |
15 | 5126b4c88 |
hex | 307a60723 |
13013223203 has 4 divisors (see below), whose sum is σ = 13071578688. Its totient is φ = 12954867720.
The previous prime is 13013223191. The next prime is 13013223259. The reversal of 13013223203 is 30232231031.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13013223203 - 28 = 13013222947 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13013223283) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29177408 + ... + 29177853.
It is an arithmetic number, because the mean of its divisors is an integer number (3267894672).
Almost surely, 213013223203 is an apocalyptic number.
13013223203 is a deficient number, since it is larger than the sum of its proper divisors (58355485).
13013223203 is an equidigital number, since it uses as much as digits as its factorization.
13013223203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58355484.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 13013223203 its reverse (30232231031), we get a palindrome (43245454234).
The spelling of 13013223203 in words is "thirteen billion, thirteen million, two hundred twenty-three thousand, two hundred three".
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