Base | Representation |
---|---|
bin | 101001010111111000… |
… | …111101001000010000 |
3 | 11020200000000021000221 |
4 | 221113320331020100 |
5 | 1211440100034300 |
6 | 32224101122424 |
7 | 3131605435612 |
oct | 512770751020 |
9 | 136600007027 |
10 | 44424221200 |
11 | 179273509a7 |
12 | 87396b9414 |
13 | 425c846128 |
14 | 2215dccdb2 |
15 | 125010731a |
hex | a57e3d210 |
44424221200 has 30 divisors (see below), whose sum is σ = 106729192394. Its totient is φ = 17769688320.
The previous prime is 44424221197. The next prime is 44424221201. The reversal of 44424221200 is 212242444.
It can be written as a sum of positive squares in 3 ways, for example, as 6544162816 + 37880058384 = 80896^2 + 194628^2 .
It is a super-2 number, since 2×444242212002 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is not an unprimeable number, because it can be changed into a prime (44424221201) 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 5 ways as a sum of consecutive naturals, for example, 55529877 + ... + 55530676.
Almost surely, 244424221200 is an apocalyptic number.
44424221200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
44424221200 is an abundant number, since it is smaller than the sum of its proper divisors (62304971194).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
44424221200 is a wasteful number, since it uses less digits than its factorization.
44424221200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111060571 (or 111060560 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 25.
Adding to 44424221200 its reverse (212242444), we get a palindrome (44636463644).
The spelling of 44424221200 in words is "forty-four billion, four hundred twenty-four million, two hundred twenty-one thousand, two hundred".
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