Base | Representation |
---|---|
bin | 11000101001001000… |
… | …11100110000111101 |
3 | 1021011000120200210221 |
4 | 30110210130300331 |
5 | 204043340014323 |
6 | 10024444501341 |
7 | 645565104052 |
oct | 142444346075 |
9 | 37130520727 |
10 | 13230001213 |
11 | 5679a99800 |
12 | 269284a851 |
13 | 132ac316b0 |
14 | 8d711b029 |
15 | 52673555d |
hex | 31491cc3d |
13230001213 has 12 divisors (see below), whose sum is σ = 15660689884. Its totient is φ = 11102097600.
The previous prime is 13230001157. The next prime is 13230001219. The reversal of 13230001213 is 31210003231.
It can be written as a sum of positive squares in 2 ways, for example, as 7662901444 + 5567099769 = 87538^2 + 74613^2 .
It is not a de Polignac number, because 13230001213 - 29 = 13230000701 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 (13230001219) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4203768 + ... + 4206913.
Almost surely, 213230001213 is an apocalyptic number.
13230001213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
13230001213 is a deficient number, since it is larger than the sum of its proper divisors (2430688671).
13230001213 is a wasteful number, since it uses less digits than its factorization.
13230001213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8410716 (or 8410705 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 13230001213 its reverse (31210003231), we get a palindrome (44440004444).
The spelling of 13230001213 in words is "thirteen billion, two hundred thirty million, one thousand, two hundred thirteen".
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