Base | Representation |
---|---|
bin | 11000010100011… |
… | …11100111101101 |
3 | 112012212212212111 |
4 | 30022033213231 |
5 | 404211341023 |
6 | 32124404021 |
7 | 5025034132 |
oct | 1412174755 |
9 | 465785774 |
10 | 204012013 |
11 | a5183277 |
12 | 583a6611 |
13 | 3336048a |
14 | 1d148589 |
15 | 12d9d00d |
hex | c28f9ed |
204012013 has 8 divisors (see below), whose sum is σ = 211248000. Its totient is φ = 196789488.
The previous prime is 204011989. The next prime is 204012031. The reversal of 204012013 is 310210402.
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 204012013 - 25 = 204011981 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 204011984 and 204012002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (204012113) 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, 35088 + ... + 40486.
It is an arithmetic number, because the mean of its divisors is an integer number (26406000).
Almost surely, 2204012013 is an apocalyptic number.
It is an amenable number.
204012013 is a deficient number, since it is larger than the sum of its proper divisors (7235987).
204012013 is a wasteful number, since it uses less digits than its factorization.
204012013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6731.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 204012013 is about 14283.2773900110. The cubic root of 204012013 is about 588.6880866432.
Adding to 204012013 its reverse (310210402), we get a palindrome (514222415).
The spelling of 204012013 in words is "two hundred four million, twelve thousand, thirteen".
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