Base | Representation |
---|---|
bin | 111110111101000… |
… | …1011101100000000 |
3 | 12110012212020211111 |
4 | 1331322023230000 |
5 | 13311233413344 |
6 | 545340053104 |
7 | 103230065620 |
oct | 17572135400 |
9 | 5405766744 |
10 | 2112404224 |
11 | 994440617 |
12 | 4ab534194 |
13 | 278841b38 |
14 | 160798880 |
15 | c56b7834 |
hex | 7de8bb00 |
2112404224 has 72 divisors (see below), whose sum is σ = 5102461728. Its totient is φ = 852049920.
The previous prime is 2112404179. The next prime is 2112404227. The reversal of 2112404224 is 4224042112.
It is a junction number, because it is equal to n+sod(n) for n = 2112404195 and 2112404204.
It is not an unprimeable number, because it can be changed into a prime (2112404227) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4207 + ... + 65134.
It is an arithmetic number, because the mean of its divisors is an integer number (70867524).
Almost surely, 22112404224 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2112404224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2551230864).
2112404224 is an abundant number, since it is smaller than the sum of its proper divisors (2990057504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112404224 is an equidigital number, since it uses as much as digits as its factorization.
2112404224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69381 (or 69367 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 22.
The square root of 2112404224 is about 45960.8988597917. The cubic root of 2112404224 is about 1283.0955804609.
Adding to 2112404224 its reverse (4224042112), we get a palindrome (6336446336).
The spelling of 2112404224 in words is "two billion, one hundred twelve million, four hundred four thousand, two hundred twenty-four".
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