Base | Representation |
---|---|
bin | 100000010011100010111… |
… | …101111110011110001110 |
3 | 21212020020101101210100200 |
4 | 200103202331332132032 |
5 | 242333040310202342 |
6 | 4415505312434330 |
7 | 316250641223520 |
oct | 40234275763616 |
9 | 7766211353320 |
10 | 2220011022222 |
11 | 78655738a184 |
12 | 2ba3052489a6 |
13 | 13146661a0a6 |
14 | 796404c5a10 |
15 | 3cb3314894c |
hex | 204e2f7e78e |
2220011022222 has 48 divisors (see below), whose sum is σ = 5504281866720. Its totient is φ = 633468280896.
The previous prime is 2220011022221. The next prime is 2220011022311. The reversal of 2220011022222 is 2222201100222.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 2220011022195 and 2220011022204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2220011022221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11299197 + ... + 11493992.
It is an arithmetic number, because the mean of its divisors is an integer number (114672538890).
Almost surely, 22220011022222 is an apocalyptic number.
2220011022222 is an abundant number, since it is smaller than the sum of its proper divisors (3284270844498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220011022222 is a wasteful number, since it uses less digits than its factorization.
2220011022222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22793977 (or 22793974 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 2220011022222 its reverse (2222201100222), we get a palindrome (4442212122444).
The spelling of 2220011022222 in words is "two trillion, two hundred twenty billion, eleven million, twenty-two thousand, two hundred twenty-two".
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