Base | Representation |
---|---|
bin | 110010011001… |
… | …111000010011 |
3 | 220212022002220 |
4 | 302121320103 |
5 | 11340310303 |
6 | 1151112123 |
7 | 220211313 |
oct | 62317023 |
9 | 26768086 |
10 | 13213203 |
11 | 7505303 |
12 | 4512643 |
13 | 2978283 |
14 | 1a7d443 |
15 | 1260053 |
hex | c99e13 |
13213203 has 8 divisors (see below), whose sum is σ = 17773968. Its totient is φ = 8730624.
The previous prime is 13213159. The next prime is 13213229. The reversal of 13213203 is 30231231.
13213203 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13213203 - 26 = 13213139 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13213253) 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, 19150 + ... + 19827.
It is an arithmetic number, because the mean of its divisors is an integer number (2221746).
Almost surely, 213213203 is an apocalyptic number.
13213203 is a deficient number, since it is larger than the sum of its proper divisors (4560765).
13213203 is a wasteful number, since it uses less digits than its factorization.
13213203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39093.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 13213203 is about 3634.9969738639. The cubic root of 13213203 is about 236.4119194576.
Adding to 13213203 its reverse (30231231), we get a palindrome (43444434).
The spelling of 13213203 in words is "thirteen million, two hundred thirteen thousand, two hundred three".
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