Base | Representation |
---|---|
bin | 11001011011011… |
… | …01101010111110 |
3 | 112212101021111122 |
4 | 30231231222332 |
5 | 414101411032 |
6 | 33055550542 |
7 | 5200051313 |
oct | 1455555276 |
9 | 485337448 |
10 | 213310142 |
11 | aa454081 |
12 | 5b52b452 |
13 | 35267726 |
14 | 20488d0a |
15 | 13ad8012 |
hex | cb6dabe |
213310142 has 16 divisors (see below), whose sum is σ = 334236672. Its totient is φ = 101907960.
The previous prime is 213310117. The next prime is 213310147. The reversal of 213310142 is 241013312.
It is a self number, because there is not a number n which added to its sum of digits gives 213310142.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213310147) 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, 54743 + ... + 58509.
It is an arithmetic number, because the mean of its divisors is an integer number (20889792).
Almost surely, 2213310142 is an apocalyptic number.
213310142 is a deficient number, since it is larger than the sum of its proper divisors (120926530).
213310142 is a wasteful number, since it uses less digits than its factorization.
213310142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5023.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 213310142 is about 14605.1409442018. The cubic root of 213310142 is about 597.4989800581.
Adding to 213310142 its reverse (241013312), we get a palindrome (454323454).
The spelling of 213310142 in words is "two hundred thirteen million, three hundred ten thousand, one hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •