Base | Representation |
---|---|
bin | 1000010001110001… |
… | …0011001101001100 |
3 | 12201212002212100120 |
4 | 2010130103031030 |
5 | 14022313324322 |
6 | 1004253224540 |
7 | 106030532541 |
oct | 20434231514 |
9 | 5655085316 |
10 | 2222011212 |
11 | a402a3a03 |
12 | 520192150 |
13 | 29546a345 |
14 | 17116abc8 |
15 | d0118a5c |
hex | 8471334c |
2222011212 has 12 divisors (see below), whose sum is σ = 5184692856. Its totient is φ = 740670400.
The previous prime is 2222011201. The next prime is 2222011237. The reversal of 2222011212 is 2121102222.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-3 number, since 3×22220112123 (a number of 29 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2222011191 and 2222011200.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92583789 + ... + 92583812.
It is an arithmetic number, because the mean of its divisors is an integer number (432057738).
Almost surely, 22222011212 is an apocalyptic number.
It is an amenable number.
2222011212 is an abundant number, since it is smaller than the sum of its proper divisors (2962681644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222011212 is a wasteful number, since it uses less digits than its factorization.
2222011212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 185167608 (or 185167606 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 2222011212 is about 47138.2139245856. The cubic root of 2222011212 is about 1304.9145752277.
Adding to 2222011212 its reverse (2121102222), we get a palindrome (4343113434).
The spelling of 2222011212 in words is "two billion, two hundred twenty-two million, eleven thousand, two hundred twelve".
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