Base | Representation |
---|---|
bin | 111110111100101… |
… | …1111101111010011 |
3 | 12110012112002220100 |
4 | 1331321133233103 |
5 | 13311212133321 |
6 | 545332143443 |
7 | 103225416036 |
oct | 17571375723 |
9 | 5405462810 |
10 | 2112224211 |
11 | 994328349 |
12 | 4ab467b83 |
13 | 2787aac16 |
14 | 16074d01d |
15 | c567e326 |
hex | 7de5fbd3 |
2112224211 has 48 divisors (see below), whose sum is σ = 3325289760. Its totient is φ = 1286937600.
The previous prime is 2112224209. The next prime is 2112224237. The reversal of 2112224211 is 1124222112.
2112224211 is a `hidden beast` number, since 21 + 1 + 222 + 421 + 1 = 666.
It is not a de Polignac number, because 2112224211 - 21 = 2112224209 is a prime.
It is a super-2 number, since 2×21122242112 = 8922982235069145042, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2112224201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 817720 + ... + 820298.
It is an arithmetic number, because the mean of its divisors is an integer number (69276870).
Almost surely, 22112224211 is an apocalyptic number.
2112224211 is a deficient number, since it is larger than the sum of its proper divisors (1213065549).
2112224211 is a wasteful number, since it uses less digits than its factorization.
2112224211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2756 (or 2753 counting only the distinct ones).
The product of its digits is 128, while the sum is 18.
The square root of 2112224211 is about 45958.9404903986. The cubic root of 2112224211 is about 1283.0591321898.
Adding to 2112224211 its reverse (1124222112), we get a palindrome (3236446323).
The spelling of 2112224211 in words is "two billion, one hundred twelve million, two hundred twenty-four thousand, two hundred eleven".
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