Base | Representation |
---|---|
bin | 111011111101110… |
… | …1000100001111100 |
3 | 12012020011100101212 |
4 | 1313323220201330 |
5 | 13110100334322 |
6 | 531354423552 |
7 | 100601514413 |
oct | 16773504174 |
9 | 5166140355 |
10 | 2012121212 |
11 | 9428764a2 |
12 | 481a31bb8 |
13 | 260b2c58a |
14 | 15133247a |
15 | bb9a90e2 |
hex | 77ee887c |
2012121212 has 12 divisors (see below), whose sum is σ = 3522493296. Its totient is φ = 1005694560.
The previous prime is 2012121179. The next prime is 2012121229. The reversal of 2012121212 is 2121212102.
2012121212 is a modest number, since divided by 121212 gives 2012 as remainder.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78953 + ... + 101280.
It is an arithmetic number, because the mean of its divisors is an integer number (293541108).
Almost surely, 22012121212 is an apocalyptic number.
It is an amenable number.
2012121212 is a deficient number, since it is larger than the sum of its proper divisors (1510372084).
2012121212 is a wasteful number, since it uses less digits than its factorization.
2012121212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 183028 (or 183026 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
The square root of 2012121212 is about 44856.6741076509. The cubic root of 2012121212 is about 1262.4612201531.
Adding to 2012121212 its reverse (2121212102), we get a palindrome (4133333314).
The spelling of 2012121212 in words is "two billion, twelve million, one hundred twenty-one thousand, two hundred twelve".
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