Base | Representation |
---|---|
bin | 10100111001101010… |
… | …101010000011111000 |
3 | 2010221001011222121111 |
4 | 110321222222003320 |
5 | 331430213220440 |
6 | 14150532450104 |
7 | 1423066400503 |
oct | 247152520370 |
9 | 63831158544 |
10 | 22442320120 |
11 | 9577117300 |
12 | 4423a79934 |
13 | 216869017c |
14 | 112c80013a |
15 | 8b53a14ea |
hex | 539aaa0f8 |
22442320120 has 96 divisors (see below), whose sum is σ = 55627462800. Its totient is φ = 8142548480.
The previous prime is 22442320099. The next prime is 22442320129. The reversal of 22442320120 is 2102324422.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 22442320091 and 22442320100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22442320129) 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 23 ways as a sum of consecutive naturals, for example, 2255316 + ... + 2265244.
Almost surely, 222442320120 is an apocalyptic number.
22442320120 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 22442320120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27813731400).
22442320120 is an abundant number, since it is smaller than the sum of its proper divisors (33185142680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22442320120 is a wasteful number, since it uses less digits than its factorization.
22442320120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10429 (or 10414 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 22.
Adding to 22442320120 its reverse (2102324422), we get a palindrome (24544644542).
The spelling of 22442320120 in words is "twenty-two billion, four hundred forty-two million, three hundred twenty thousand, one hundred twenty".
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