Base | Representation |
---|---|
bin | 1111110101101100001… |
… | …00100000100011110000 |
3 | 1221000201122220121021111 |
4 | 13322312010200203300 |
5 | 32404030422431134 |
6 | 1054002250203104 |
7 | 54214202022310 |
oct | 7726604404360 |
9 | 1830648817244 |
10 | 544220514544 |
11 | 19a891324593 |
12 | 89582423494 |
13 | 3c42070c705 |
14 | 1c4aa147440 |
15 | e252decc64 |
hex | 7eb61208f0 |
544220514544 has 80 divisors (see below), whose sum is σ = 1268968979200. Its totient is φ = 220877217792.
The previous prime is 544220514511. The next prime is 544220514547. The reversal of 544220514544 is 445415022445.
It is a super-2 number, since 2×5442205145442 (a number of 24 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 544220514497 and 544220514506.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (544220514547) 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, 5674639 + ... + 5769745.
It is an arithmetic number, because the mean of its divisors is an integer number (15862112240).
Almost surely, 2544220514544 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 544220514544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (634484489600).
544220514544 is an abundant number, since it is smaller than the sum of its proper divisors (724748464656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
544220514544 is a wasteful number, since it uses less digits than its factorization.
544220514544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97830 (or 97824 counting only the distinct ones).
The product of its (nonzero) digits is 512000, while the sum is 40.
Adding to 544220514544 its reverse (445415022445), we get a palindrome (989635536989).
The spelling of 544220514544 in words is "five hundred forty-four billion, two hundred twenty million, five hundred fourteen thousand, five hundred forty-four".
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