Base | Representation |
---|---|
bin | 10101101000101111… |
… | …111001010000001100 |
3 | 2012222002112011120211 |
4 | 111220233321100030 |
5 | 340034422102340 |
6 | 14401151052204 |
7 | 1451500426204 |
oct | 255057712014 |
9 | 65862464524 |
10 | 23232222220 |
11 | 9941a90459 |
12 | 4604511064 |
13 | 2263218a6c |
14 | 11a569b404 |
15 | 90e8d15ea |
hex | 568bf940c |
23232222220 has 12 divisors (see below), whose sum is σ = 48787666704. Its totient is φ = 9292888880.
The previous prime is 23232222217. The next prime is 23232222227. The reversal of 23232222220 is 2222223232.
It is a super-2 number, since 2×232322222202 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23232222191 and 23232222200.
It is not an unprimeable number, because it can be changed into a prime (23232222227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580805536 + ... + 580805575.
It is an arithmetic number, because the mean of its divisors is an integer number (4065638892).
Almost surely, 223232222220 is an apocalyptic number.
23232222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23232222220 is an abundant number, since it is smaller than the sum of its proper divisors (25555444484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23232222220 is a wasteful number, since it uses less digits than its factorization.
23232222220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1161611120 (or 1161611118 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 22.
Adding to 23232222220 its reverse (2222223232), we get a palindrome (25454445452).
The spelling of 23232222220 in words is "twenty-three billion, two hundred thirty-two million, two hundred twenty-two thousand, two hundred twenty".
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