Base | Representation |
---|---|
bin | 1100010110100011100… |
… | …1000111010101010100 |
3 | 202021202111120112120000 |
4 | 3011220321013111110 |
5 | 11434103034401322 |
6 | 241253413211300 |
7 | 21221561303466 |
oct | 3055071072524 |
9 | 667674515500 |
10 | 212213200212 |
11 | 81aa99012a2 |
12 | 35165930b30 |
13 | 1701c6b0370 |
14 | a3b215a136 |
15 | 57c07aa3ac |
hex | 3168e47554 |
212213200212 has 60 divisors (see below), whose sum is σ = 597441637716. Its totient is φ = 65296368000.
The previous prime is 212213200207. The next prime is 212213200237. The reversal of 212213200212 is 212002312212.
212213200212 is digitally balanced in base 3, 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 13951389456 + 198261810756 = 118116^2 + 445266^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25187289 + ... + 25195712.
Almost surely, 2212213200212 is an apocalyptic number.
It is an amenable number.
212213200212 is an abundant number, since it is smaller than the sum of its proper divisors (385228437504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212213200212 is a wasteful number, since it uses less digits than its factorization.
212213200212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50383030 (or 50383019 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 212213200212 its reverse (212002312212), we get a palindrome (424215512424).
The spelling of 212213200212 in words is "two hundred twelve billion, two hundred thirteen million, two hundred thousand, two hundred twelve".
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