Base | Representation |
---|---|
bin | 11000010100011… |
… | …11001011100101 |
3 | 112012212210101211 |
4 | 30022033023211 |
5 | 404211311323 |
6 | 32124351421 |
7 | 5025025651 |
oct | 1412171345 |
9 | 465783354 |
10 | 204010213 |
11 | a5181990 |
12 | 583a5571 |
13 | 3335c704 |
14 | 1d147a61 |
15 | 12d9c70d |
hex | c28f2e5 |
204010213 has 4 divisors (see below), whose sum is σ = 222556608. Its totient is φ = 185463820.
The previous prime is 204010181. The next prime is 204010229. The reversal of 204010213 is 312010402.
204010213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 204010213 - 25 = 204010181 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 204010193 and 204010202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (204010283) 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, 9273181 + ... + 9273202.
It is an arithmetic number, because the mean of its divisors is an integer number (55639152).
Almost surely, 2204010213 is an apocalyptic number.
It is an amenable number.
204010213 is a deficient number, since it is larger than the sum of its proper divisors (18546395).
204010213 is a wasteful number, since it uses less digits than its factorization.
204010213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18546394.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 204010213 is about 14283.2143791235. The cubic root of 204010213 is about 588.6863553045.
Adding to 204010213 its reverse (312010402), we get a palindrome (516020615).
The spelling of 204010213 in words is "two hundred four million, ten thousand, two hundred thirteen".
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