Base | Representation |
---|---|
bin | 10110110001010000… |
… | …10011111101100000 |
3 | 1011112221022212220021 |
4 | 23120220103331200 |
5 | 200013420141033 |
6 | 5341002523224 |
7 | 611634344035 |
oct | 133050237540 |
9 | 34487285807 |
10 | 12224380768 |
11 | 5203387226 |
12 | 2451b06514 |
13 | 11ca7a7202 |
14 | 83d74938c |
15 | 4b82e3b2d |
hex | 2d8a13f60 |
12224380768 has 96 divisors (see below), whose sum is σ = 25690162176. Its totient is φ = 5713686528.
The previous prime is 12224380741. The next prime is 12224380781. The reversal of 12224380768 is 86708342221.
It is a super-2 number, since 2×122243807682 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5924505 + ... + 5926567.
It is an arithmetic number, because the mean of its divisors is an integer number (267605856).
Almost surely, 212224380768 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 12224380768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12845081088).
12224380768 is an abundant number, since it is smaller than the sum of its proper divisors (13465781408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12224380768 is a wasteful number, since it uses less digits than its factorization.
12224380768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2276 (or 2268 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 43.
The spelling of 12224380768 in words is "twelve billion, two hundred twenty-four million, three hundred eighty thousand, seven hundred sixty-eight".
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