Base | Representation |
---|---|
bin | 111111001111011… |
… | …0101011000111110 |
3 | 12110212221101112021 |
4 | 1332132311120332 |
5 | 13321213342342 |
6 | 550322030354 |
7 | 103404543361 |
oct | 17636653076 |
9 | 5425841467 |
10 | 2122012222 |
11 | 999903210 |
12 | 4b27a83ba |
13 | 27a827145 |
14 | 161b7a0d8 |
15 | c6464567 |
hex | 7e7b563e |
2122012222 has 32 divisors (see below), whose sum is σ = 3525120000. Its totient is φ = 950004000.
The previous prime is 2122012213. The next prime is 2122012229. The reversal of 2122012222 is 2222102212.
It is a junction number, because it is equal to n+sod(n) for n = 2122012196 and 2122012205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2122012229) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439779 + ... + 444577.
It is an arithmetic number, because the mean of its divisors is an integer number (110160000).
Almost surely, 22122012222 is an apocalyptic number.
2122012222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
2122012222 is a deficient number, since it is larger than the sum of its proper divisors (1403107778).
2122012222 is a wasteful number, since it uses less digits than its factorization.
2122012222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5112.
The product of its (nonzero) digits is 128, while the sum is 16.
The square root of 2122012222 is about 46065.3038848112. The cubic root of 2122012222 is about 1285.0379700812.
Adding to 2122012222 its reverse (2222102212), we get a palindrome (4344114434).
The spelling of 2122012222 in words is "two billion, one hundred twenty-two million, twelve thousand, two hundred twenty-two".
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