Base | Representation |
---|---|
bin | 11000100101111101… |
… | …11111000111001101 |
3 | 1021002011112101012211 |
4 | 30102332333013031 |
5 | 204020032400323 |
6 | 10022054430421 |
7 | 645123034630 |
oct | 142276770715 |
9 | 37064471184 |
10 | 13203403213 |
11 | 5665a82290 |
12 | 2685962411 |
13 | 132557b030 |
14 | 8d3795c17 |
15 | 52422e70d |
hex | 312fbf1cd |
13203403213 has 32 divisors (see below), whose sum is σ = 18018346752. Its totient is φ = 9341222400.
The previous prime is 13203403181. The next prime is 13203403217. The reversal of 13203403213 is 31230430231.
It is a cyclic number.
It is not a de Polignac number, because 13203403213 - 25 = 13203403181 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13203403217) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47056 + ... + 169177.
It is an arithmetic number, because the mean of its divisors is an integer number (563073336).
Almost surely, 213203403213 is an apocalyptic number.
13203403213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
13203403213 is a deficient number, since it is larger than the sum of its proper divisors (4814943539).
13203403213 is a wasteful number, since it uses less digits than its factorization.
13203403213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 216325.
The product of its (nonzero) digits is 1296, while the sum is 22.
Adding to 13203403213 its reverse (31230430231), we get a palindrome (44433833444).
The spelling of 13203403213 in words is "thirteen billion, two hundred three million, four hundred three thousand, two hundred thirteen".
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