Base | Representation |
---|---|
bin | 1100011010010110011… |
… | …1100100101111000110 |
3 | 202101101111122112220110 |
4 | 3012211213210233012 |
5 | 11443144343342410 |
6 | 241542450013450 |
7 | 21256042125066 |
oct | 3064547445706 |
9 | 671344575813 |
10 | 213232012230 |
11 | 82481a038a6 |
12 | 353aab77286 |
13 | 171527a6003 |
14 | a46b5a33a6 |
15 | 582ee55720 |
hex | 31a59e4bc6 |
213232012230 has 32 divisors (see below), whose sum is σ = 513371227104. Its totient is φ = 56682492416.
The previous prime is 213232012187. The next prime is 213232012241. The reversal of 213232012230 is 32210232312.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 213232012197 and 213232012206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11201427 + ... + 11220446.
It is an arithmetic number, because the mean of its divisors is an integer number (16042850847).
Almost surely, 2213232012230 is an apocalyptic number.
213232012230 is an abundant number, since it is smaller than the sum of its proper divisors (300139214874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213232012230 is a wasteful number, since it uses less digits than its factorization.
213232012230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22422200.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 213232012230 its reverse (32210232312), we get a palindrome (245442244542).
The spelling of 213232012230 in words is "two hundred thirteen billion, two hundred thirty-two million, twelve thousand, two hundred thirty".
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