Base | Representation |
---|---|
bin | 100000010101110100000… |
… | …000101111001001101110 |
3 | 21212110111222022100001100 |
4 | 200111310000233021232 |
5 | 242403031234122342 |
6 | 4420551001223530 |
7 | 316365150031464 |
oct | 40256400571156 |
9 | 7773458270040 |
10 | 2222444442222 |
11 | 787595a48694 |
12 | 2ba884191ba6 |
13 | 131763807594 |
14 | 797d1764834 |
15 | 3cc26ac1e4c |
hex | 2057402f26e |
2222444442222 has 96 divisors (see below), whose sum is σ = 5049792906912. Its totient is φ = 705727613952.
The previous prime is 2222444442173. The next prime is 2222444442247.
2222444442222 is a `hidden beast` number, since 2 + 2 + 224 + 4 + 4 + 4 + 422 + 2 + 2 = 666.
2222444442222 is nontrivially palindromic in base 10.
It is a zygodrome in base 10.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6493833 + ... + 6827499.
It is an arithmetic number, because the mean of its divisors is an integer number (52602009447).
Almost surely, 22222444442222 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2222444442222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2524896453456).
2222444442222 is an abundant number, since it is smaller than the sum of its proper divisors (2827348464690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222444442222 is a wasteful number, since it uses less digits than its factorization.
2222444442222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 333922 (or 333919 counting only the distinct ones).
The product of its digits is 262144, while the sum is 36.
It can be divided in two parts, 2222 and 444442222, that added together give a palindrome (444444444).
The spelling of 2222444442222 in words is "two trillion, two hundred twenty-two billion, four hundred forty-four million, four hundred forty-two thousand, two hundred twenty-two".
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