Base | Representation |
---|---|
bin | 10100101100101011… |
… | …100001110010100100 |
3 | 2010100212012202120001 |
4 | 110230223201302210 |
5 | 331003424211310 |
6 | 14113150551044 |
7 | 1414512443032 |
oct | 245453416244 |
9 | 63325182501 |
10 | 22224444580 |
11 | 9475135178 |
12 | 4382b08484 |
13 | 21324b7730 |
14 | 110b8c7552 |
15 | 8a11b593a |
hex | 52cae1ca4 |
22224444580 has 24 divisors (see below), whose sum is σ = 50261436792. Its totient is φ = 8205948672.
The previous prime is 22224444527. The next prime is 22224444587. The reversal of 22224444580 is 8544442222.
It can be written as a sum of positive squares in 4 ways, for example, as 105021504 + 22119423076 = 10248^2 + 148726^2 .
It is not an unprimeable number, because it can be changed into a prime (22224444587) 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, 42739057 + ... + 42739576.
It is an arithmetic number, because the mean of its divisors is an integer number (2094226533).
Almost surely, 222224444580 is an apocalyptic number.
22224444580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22224444580 is an abundant number, since it is smaller than the sum of its proper divisors (28036992212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22224444580 is a wasteful number, since it uses less digits than its factorization.
22224444580 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85478655 (or 85478653 counting only the distinct ones).
The product of its (nonzero) digits is 163840, while the sum is 37.
It can be divided in two parts, 222244445 and 80, that multiplied together give a square (17779555600 = 1333402).
The spelling of 22224444580 in words is "twenty-two billion, two hundred twenty-four million, four hundred forty-four thousand, five hundred eighty".
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