Base | Representation |
---|---|
bin | 1100010110100111100… |
… | …1001111110110101010 |
3 | 202021210200012200110001 |
4 | 3011221321033312222 |
5 | 11434121340343310 |
6 | 241255213413214 |
7 | 21222154224430 |
oct | 3055171176652 |
9 | 667720180401 |
10 | 212230012330 |
11 | 82008344506 |
12 | 3516b49a20a |
13 | 1702301876b |
14 | a3b4494d50 |
15 | 57c1ecb93a |
hex | 3169e4fdaa |
212230012330 has 128 divisors (see below), whose sum is σ = 461593313280. Its totient is φ = 68728608000.
The previous prime is 212230012303. The next prime is 212230012363. The reversal of 212230012330 is 33210032212.
It is a junction number, because it is equal to n+sod(n) for n = 212230012298 and 212230012307.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17334351 + ... + 17346589.
It is an arithmetic number, because the mean of its divisors is an integer number (3606197760).
Almost surely, 2212230012330 is an apocalyptic number.
212230012330 is an abundant number, since it is smaller than the sum of its proper divisors (249363300950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212230012330 is a wasteful number, since it uses less digits than its factorization.
212230012330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12476.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 212230012330 its reverse (33210032212), we get a palindrome (245440044542).
The spelling of 212230012330 in words is "two hundred twelve billion, two hundred thirty million, twelve thousand, three hundred thirty".
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