Base | Representation |
---|---|
bin | 111110111010101… |
… | …0011001011110100 |
3 | 12110010110012222122 |
4 | 1331311103023310 |
5 | 13310421433322 |
6 | 545252415112 |
7 | 103213155041 |
oct | 17565231364 |
9 | 5403405878 |
10 | 2111124212 |
11 | 99374695a |
12 | 4ab017498 |
13 | 2784b4332 |
14 | 1605441c8 |
15 | c5513442 |
hex | 7dd532f4 |
2111124212 has 12 divisors (see below), whose sum is σ = 3722670336. Its totient is φ = 1047504120.
The previous prime is 2111124203. The next prime is 2111124229. The reversal of 2111124212 is 2124211112.
It is a nude number because it is divisible by every one of its digits.
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, 2013908 + ... + 2014955.
It is an arithmetic number, because the mean of its divisors is an integer number (310222528).
Almost surely, 22111124212 is an apocalyptic number.
It is an amenable number.
2111124212 is a deficient number, since it is larger than the sum of its proper divisors (1611546124).
2111124212 is a wasteful number, since it uses less digits than its factorization.
2111124212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4028998 (or 4028996 counting only the distinct ones).
The product of its digits is 64, while the sum is 17.
The square root of 2111124212 is about 45946.9717391691. The cubic root of 2111124212 is about 1282.8363640404.
Adding to 2111124212 its reverse (2124211112), we get a palindrome (4235335324).
The spelling of 2111124212 in words is "two billion, one hundred eleven million, one hundred twenty-four thousand, two hundred twelve".
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