Base | Representation |
---|---|
bin | 1010000011100001010100… |
… | …10010011101011110110110 |
3 | 2220021210212121211122221102 |
4 | 11001300222102131132312 |
5 | 10344232214441402410 |
6 | 115005425013050102 |
7 | 4441324114331333 |
oct | 501605222353666 |
9 | 86253777748842 |
10 | 22111201122230 |
11 | 7055342660930 |
12 | 2591370626932 |
13 | c45100b401cc |
14 | 56628b63398a |
15 | 28526a6192a5 |
hex | 141c2a49d7b6 |
22111201122230 has 64 divisors (see below), whose sum is σ = 44820064751616. Its totient is φ = 7780874448000.
The previous prime is 22111201122223. The next prime is 22111201122233. The reversal of 22111201122230 is 3222110211122.
It is a super-2 number, since 2×221112011222302 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22111201122233) 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, 264379820 + ... + 264463440.
It is an arithmetic number, because the mean of its divisors is an integer number (700313511744).
Almost surely, 222111201122230 is an apocalyptic number.
22111201122230 is an abundant number, since it is smaller than the sum of its proper divisors (22708863629386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22111201122230 is a wasteful number, since it uses less digits than its factorization.
22111201122230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161213.
The product of its (nonzero) digits is 192, while the sum is 20.
Adding to 22111201122230 its reverse (3222110211122), we get a palindrome (25333311333352).
The spelling of 22111201122230 in words is "twenty-two trillion, one hundred eleven billion, two hundred one million, one hundred twenty-two thousand, two hundred thirty".
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