Base | Representation |
---|---|
bin | 1100010110100000011… |
… | …0110001001010101110 |
3 | 202021201120202000022120 |
4 | 3011220012301022232 |
5 | 11434041200032342 |
6 | 241252222253410 |
7 | 21221341154415 |
oct | 3055006611256 |
9 | 667646660276 |
10 | 212200002222 |
11 | 81aa240746a |
12 | 35161427266 |
13 | 17019a3bcc0 |
14 | a3b04c247c |
15 | 57be54eaec |
hex | 31681b12ae |
212200002222 has 32 divisors (see below), whose sum is σ = 471789588480. Its totient is φ = 63186104160.
The previous prime is 212200002197. The next prime is 212200002227. The reversal of 212200002222 is 222200002212.
212200002222 is a modest number, since divided by 2222 gives 2122 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212200002227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43876822 + ... + 43881657.
It is an arithmetic number, because the mean of its divisors is an integer number (14743424640).
Almost surely, 2212200002222 is an apocalyptic number.
212200002222 is an abundant number, since it is smaller than the sum of its proper divisors (259589586258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212200002222 is a wasteful number, since it uses less digits than its factorization.
212200002222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87758528.
The product of its (nonzero) digits is 128, while the sum is 15.
Adding to 212200002222 its reverse (222200002212), we get a palindrome (434400004434).
The spelling of 212200002222 in words is "two hundred twelve billion, two hundred million, two thousand, two hundred twenty-two".
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