Base | Representation |
---|---|
bin | 100011111001001… |
… | …1011111111110101 |
3 | 10002221022001222110 |
4 | 1013302123333311 |
5 | 4431311413323 |
6 | 315302321233 |
7 | 41563160355 |
oct | 10762337765 |
9 | 3087261873 |
10 | 1204404213 |
11 | 568944791 |
12 | 297429219 |
13 | 1626a701c |
14 | b5d58b65 |
15 | 70b0a793 |
hex | 47c9bff5 |
1204404213 has 8 divisors (see below), whose sum is σ = 1608419776. Its totient is φ = 801662400.
The previous prime is 1204404209. The next prime is 1204404221. The reversal of 1204404213 is 3124044021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1204404213 - 22 = 1204404209 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1204404213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1204404293) 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, 316228 + ... + 320013.
It is an arithmetic number, because the mean of its divisors is an integer number (201052472).
Almost surely, 21204404213 is an apocalyptic number.
It is an amenable number.
1204404213 is a deficient number, since it is larger than the sum of its proper divisors (404015563).
1204404213 is an equidigital number, since it uses as much as digits as its factorization.
1204404213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 636875.
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 1204404213 is about 34704.5272695076. The cubic root of 1204404213 is about 1063.9570304716.
Adding to 1204404213 its reverse (3124044021), we get a palindrome (4328448234).
The spelling of 1204404213 in words is "one billion, two hundred four million, four hundred four thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •