Base | Representation |
---|---|
bin | 11001010011111… |
… | …11011010000101 |
3 | 112210112200210010 |
4 | 30221333122011 |
5 | 413324143323 |
6 | 33023020433 |
7 | 5155545120 |
oct | 1451773205 |
9 | 483480703 |
10 | 212334213 |
11 | a9947923 |
12 | 5b13a719 |
13 | 34cb5460 |
14 | 202b33b7 |
15 | 13993c93 |
hex | ca7f685 |
212334213 has 16 divisors (see below), whose sum is σ = 348446336. Its totient is φ = 112000320.
The previous prime is 212334209. The next prime is 212334217. The reversal of 212334213 is 312433212.
It is an interprime number because it is at equal distance from previous prime (212334209) and next prime (212334217).
It is not a de Polignac number, because 212334213 - 22 = 212334209 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 212334213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212334217) 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, 388618 + ... + 389163.
It is an arithmetic number, because the mean of its divisors is an integer number (21777896).
Almost surely, 2212334213 is an apocalyptic number.
It is an amenable number.
212334213 is a deficient number, since it is larger than the sum of its proper divisors (136112123).
212334213 is a wasteful number, since it uses less digits than its factorization.
212334213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 777804.
The product of its digits is 864, while the sum is 21.
The square root of 212334213 is about 14571.6921803887. The cubic root of 212334213 is about 596.5863681391.
Adding to 212334213 its reverse (312433212), we get a palindrome (524767425).
The spelling of 212334213 in words is "two hundred twelve million, three hundred thirty-four thousand, two hundred thirteen".
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