Base | Representation |
---|---|
bin | 10100101011010011… |
… | …010001101111000000 |
3 | 2010022020200102002002 |
4 | 110223103101233000 |
5 | 330432013411034 |
6 | 14111003043132 |
7 | 1414112010506 |
oct | 245323215700 |
9 | 63266612062 |
10 | 22201310144 |
11 | 9463073a02 |
12 | 43772104a8 |
13 | 212a777710 |
14 | 11087c4676 |
15 | 89e145e7e |
hex | 52b4d1bc0 |
22201310144 has 112 divisors (see below), whose sum is σ = 48558517056. Its totient is φ = 10008576000.
The previous prime is 22201310143. The next prime is 22201310189. The reversal of 22201310144 is 44101310222.
It is a super-2 number, since 2×222013101442 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22201310143) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7662104 + ... + 7665000.
It is an arithmetic number, because the mean of its divisors is an integer number (433558188).
Almost surely, 222201310144 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22201310144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24279258528).
22201310144 is an abundant number, since it is smaller than the sum of its proper divisors (26357206912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22201310144 is a wasteful number, since it uses less digits than its factorization.
22201310144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3134 (or 3124 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 22201310144 its reverse (44101310222), we get a palindrome (66302620366).
The spelling of 22201310144 in words is "twenty-two billion, two hundred one million, three hundred ten thousand, one hundred forty-four".
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