Base | Representation |
---|---|
bin | 101001010111101001… |
… | …110001001010000000 |
3 | 11020122201111222212002 |
4 | 221113221301022000 |
5 | 1211433040140000 |
6 | 32223435523132 |
7 | 3131526544613 |
oct | 512751611200 |
9 | 136581458762 |
10 | 44420240000 |
11 | 17925081854 |
12 | 87382b94a8 |
13 | 425ba80ca6 |
14 | 221567417a |
15 | 124eabc8d5 |
hex | a57a71280 |
44420240000 has 80 divisors (see below), whose sum is σ = 110581610370. Its totient is φ = 17768064000.
The previous prime is 44420239961. The next prime is 44420240003. The reversal of 44420240000 is 4202444.
It can be written as a sum of positive squares in 5 ways, for example, as 5598630976 + 38821609024 = 74824^2 + 197032^2 .
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (20).
It is not an unprimeable number, because it can be changed into a prime (44420240003) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 197627 + ... + 357626.
Almost surely, 244420240000 is an apocalyptic number.
44420240000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
44420240000 is an abundant number, since it is smaller than the sum of its proper divisors (66161370370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
44420240000 is an frugal number, since it uses more digits than its factorization.
44420240000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 555287 (or 555260 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 20.
Adding to 44420240000 its reverse (4202444), we get a palindrome (44424442444).
The spelling of 44420240000 in words is "forty-four billion, four hundred twenty million, two hundred forty thousand".
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