Base | Representation |
---|---|
bin | 10100101100011111… |
… | …001100110111001101 |
3 | 2010100122010120211211 |
4 | 110230133030313031 |
5 | 331002112310013 |
6 | 14112553414421 |
7 | 1414443123640 |
oct | 245437146715 |
9 | 63318116754 |
10 | 22221213133 |
11 | 9473328359 |
12 | 4381a0a411 |
13 | 2131925932 |
14 | 110b2c5a57 |
15 | 8a0c7823d |
hex | 52c7ccdcd |
22221213133 has 8 divisors (see below), whose sum is σ = 25438940352. Its totient is φ = 19014302976.
The previous prime is 22221213107. The next prime is 22221213139. The reversal of 22221213133 is 33131212222.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 22221213133 - 25 = 22221213101 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22221213139) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2699860 + ... + 2708077.
It is an arithmetic number, because the mean of its divisors is an integer number (3179867544).
Almost surely, 222221213133 is an apocalyptic number.
It is an amenable number.
22221213133 is a deficient number, since it is larger than the sum of its proper divisors (3217727219).
22221213133 is an equidigital number, since it uses as much as digits as its factorization.
22221213133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5408531.
The product of its digits is 864, while the sum is 22.
Adding to 22221213133 its reverse (33131212222), we get a palindrome (55352425355).
The spelling of 22221213133 in words is "twenty-two billion, two hundred twenty-one million, two hundred thirteen thousand, one hundred thirty-three".
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