Base | Representation |
---|---|
bin | 11000001101100… |
… | …01000000110101 |
3 | 112011011120010010 |
4 | 30012301000311 |
5 | 403443201323 |
6 | 32053050433 |
7 | 5014215621 |
oct | 1406610065 |
9 | 464146103 |
10 | 203100213 |
11 | a4710218 |
12 | 58026a19 |
13 | 33101454 |
14 | 1cd8c181 |
15 | 12c6cc93 |
hex | c1b1035 |
203100213 has 8 divisors (see below), whose sum is σ = 270936000. Its totient is φ = 135332288.
The previous prime is 203100203. The next prime is 203100221. The reversal of 203100213 is 312001302.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 203100213 - 24 = 203100197 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203100203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9513 + ... + 22286.
It is an arithmetic number, because the mean of its divisors is an integer number (33867000).
Almost surely, 2203100213 is an apocalyptic number.
It is an amenable number.
203100213 is a deficient number, since it is larger than the sum of its proper divisors (67835787).
203100213 is a wasteful number, since it uses less digits than its factorization.
203100213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33931.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 203100213 is about 14251.3232017241. The cubic root of 203100213 is about 587.8097601748.
Adding to 203100213 its reverse (312001302), we get a palindrome (515101515).
The spelling of 203100213 in words is "two hundred three million, one hundred thousand, two hundred thirteen".
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