Base | Representation |
---|---|
bin | 11001011011100… |
… | …10110001010110 |
3 | 112212102100011021 |
4 | 30231302301112 |
5 | 414103043110 |
6 | 33100231354 |
7 | 5200166233 |
oct | 1455626126 |
9 | 485370137 |
10 | 213331030 |
11 | aa468840 |
12 | 5b53b55a |
13 | 352740a3 |
14 | 2049278a |
15 | 13ade2da |
hex | cb72c56 |
213331030 has 32 divisors (see below), whose sum is σ = 425785248. Its totient is φ = 76300800.
The previous prime is 213331007. The next prime is 213331037. The reversal of 213331030 is 30133312.
It is a junction number, because it is equal to n+sod(n) for n = 213330995 and 213331013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213331037) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9187 + ... + 22606.
It is an arithmetic number, because the mean of its divisors is an integer number (13305789).
Almost surely, 2213331030 is an apocalyptic number.
213331030 is a deficient number, since it is larger than the sum of its proper divisors (212454218).
213331030 is a wasteful number, since it uses less digits than its factorization.
213331030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31872.
The product of its (nonzero) digits is 162, while the sum is 16.
The square root of 213331030 is about 14605.8560173651. The cubic root of 213331030 is about 597.5184824147.
Adding to 213331030 its reverse (30133312), we get a palindrome (243464342).
The spelling of 213331030 in words is "two hundred thirteen million, three hundred thirty-one thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •