Base | Representation |
---|---|
bin | 1010000011110001101111… |
… | …11111101010111011111100 |
3 | 2220022122122022000111110122 |
4 | 11001320313333222323330 |
5 | 10344403300334342340 |
6 | 115013444121554112 |
7 | 4442055512215325 |
oct | 501706777527374 |
9 | 86278568014418 |
10 | 22120021012220 |
11 | 705905921480a |
12 | 2593012345938 |
13 | c45ba81ab521 |
14 | 566886b6344c |
15 | 2855d4ab9db5 |
hex | 141e37feaefc |
22120021012220 has 48 divisors (see below), whose sum is σ = 46523945280960. Its totient is φ = 8834314804224.
The previous prime is 22120021012181. The next prime is 22120021012291. The reversal of 22120021012220 is 2221012002122.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223617812 + ... + 223716708.
It is an arithmetic number, because the mean of its divisors is an integer number (969248860020).
Almost surely, 222120021012220 is an apocalyptic number.
22120021012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22120021012220 is an abundant number, since it is smaller than the sum of its proper divisors (24403924268740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22120021012220 is a wasteful number, since it uses less digits than its factorization.
22120021012220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116102 (or 116100 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 22120021012220 its reverse (2221012002122), we get a palindrome (24341033014342).
The spelling of 22120021012220 in words is "twenty-two trillion, one hundred twenty billion, twenty-one million, twelve thousand, two hundred twenty".
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