Base | Representation |
---|---|
bin | 11001011001010… |
… | …01010011011010 |
3 | 112211212001100221 |
4 | 30230221103122 |
5 | 414013430411 |
6 | 33045550254 |
7 | 5164504012 |
oct | 1454512332 |
9 | 484761327 |
10 | 213030106 |
11 | aa282743 |
12 | 5b41538a |
13 | 3519a123 |
14 | 20414c42 |
15 | 13a80071 |
hex | cb294da |
213030106 has 8 divisors (see below), whose sum is σ = 319692564. Its totient is φ = 106465920.
The previous prime is 213030091. The next prime is 213030107. The reversal of 213030106 is 601030312.
213030106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 207100881 + 5929225 = 14391^2 + 2435^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 213030106.
It is not an unprimeable number, because it can be changed into a prime (213030107) 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, 18885 + ... + 27976.
Almost surely, 2213030106 is an apocalyptic number.
213030106 is a deficient number, since it is larger than the sum of its proper divisors (106662458).
213030106 is a wasteful number, since it uses less digits than its factorization.
213030106 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49136.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 213030106 is about 14595.5508974482. The cubic root of 213030106 is about 597.2373977182.
Adding to 213030106 its reverse (601030312), we get a palindrome (814060418).
The spelling of 213030106 in words is "two hundred thirteen million, thirty thousand, one hundred six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •