Base | Representation |
---|---|
bin | 100000010101100111111… |
… | …100111111100110010100 |
3 | 21212102222212122000220210 |
4 | 200111213330333212110 |
5 | 242402122441300140 |
6 | 4420514533125420 |
7 | 316360142323020 |
oct | 40254774774624 |
9 | 7772885560823 |
10 | 2222242134420 |
11 | 7874a1829860 |
12 | 2ba828489870 |
13 | 131730922a19 |
14 | 797b2941380 |
15 | 3cc13e5dd80 |
hex | 20567f3f994 |
2222242134420 has 192 divisors, whose sum is σ = 7763977267200. Its totient is φ = 461387696640.
The previous prime is 2222242134419. The next prime is 2222242134487. The reversal of 2222242134420 is 244312422222.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
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 63 ways as a sum of consecutive naturals, for example, 5482291 + ... + 5873669.
It is an arithmetic number, because the mean of its divisors is an integer number (40437381600).
Almost surely, 22222242134420 is an apocalyptic number.
2222242134420 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 2222242134420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3881988633600).
2222242134420 is an abundant number, since it is smaller than the sum of its proper divisors (5541735132780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222242134420 is a wasteful number, since it uses less digits than its factorization.
2222242134420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 392638 (or 392636 counting only the distinct ones).
The product of its (nonzero) digits is 24576, while the sum is 30.
Adding to 2222242134420 its reverse (244312422222), we get a palindrome (2466554556642).
The spelling of 2222242134420 in words is "two trillion, two hundred twenty-two billion, two hundred forty-two million, one hundred thirty-four thousand, four hundred twenty".
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