Base | Representation |
---|---|
bin | 101001011000111100… |
… | …110001101010010100 |
3 | 11020201020110111222202 |
4 | 221120330301222110 |
5 | 1212004123000040 |
6 | 32225534144032 |
7 | 3132212524115 |
oct | 513074615224 |
9 | 136636414882 |
10 | 44442000020 |
11 | 17936394440 |
12 | 8743652018 |
13 | 426342c542 |
14 | 22184da20c |
15 | 125196a015 |
hex | a58f31a94 |
44442000020 has 96 divisors (see below), whose sum is σ = 104686428672. Its totient is φ = 15707520000.
The previous prime is 44442000013. The next prime is 44442000023. The reversal of 44442000020 is 2000024444.
It is a super-3 number, since 3×444420000203 (a number of 33 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 44441999956 and 44442000001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (44442000023) 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 31 ways as a sum of consecutive naturals, for example, 2435330 + ... + 2453510.
It is an arithmetic number, because the mean of its divisors is an integer number (1090483632).
Almost surely, 244442000020 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 44442000020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52343214336).
44442000020 is an abundant number, since it is smaller than the sum of its proper divisors (60244428652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
44442000020 is a wasteful number, since it uses less digits than its factorization.
44442000020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18513 (or 18511 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 20.
Adding to 44442000020 its reverse (2000024444), we get a palindrome (46442024464).
The spelling of 44442000020 in words is "forty-four billion, four hundred forty-two million, twenty", and thus it is an aban number.
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