Base | Representation |
---|---|
bin | 100000010110011101011… |
… | …111110001010001010100 |
3 | 21212112022110221211221002 |
4 | 200112131133301101110 |
5 | 242410442423140340 |
6 | 4421144023042432 |
7 | 316421330656064 |
oct | 40263537612124 |
9 | 7775273854832 |
10 | 2223140443220 |
11 | 787912906524 |
12 | 2baa392a0418 |
13 | 131844a766a8 |
14 | 79859d7b3a4 |
15 | 3cc67c54715 |
hex | 2059d7f1454 |
2223140443220 has 96 divisors (see below), whose sum is σ = 5024126435328. Its totient is φ = 824268880512.
The previous prime is 2223140443169. The next prime is 2223140443229. The reversal of 2223140443220 is 223440413222.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2223140443229) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2069567 + ... + 2954553.
It is an arithmetic number, because the mean of its divisors is an integer number (52334650368).
Almost surely, 22223140443220 is an apocalyptic number.
2223140443220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2223140443220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2512063217664).
2223140443220 is an abundant number, since it is smaller than the sum of its proper divisors (2800985992108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2223140443220 is a wasteful number, since it uses less digits than its factorization.
2223140443220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 885189 (or 885187 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 29.
Adding to 2223140443220 its reverse (223440413222), we get a palindrome (2446580856442).
The spelling of 2223140443220 in words is "two trillion, two hundred twenty-three billion, one hundred forty million, four hundred forty-three thousand, two hundred twenty".
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