Base | Representation |
---|---|
bin | 101001001000011100… |
… | …111111001001110100 |
3 | 11012222221200012120110 |
4 | 221020130333021310 |
5 | 1210422244344340 |
6 | 32142250103020 |
7 | 3122312162025 |
oct | 511034771164 |
9 | 135887605513 |
10 | 44165231220 |
11 | 178041379a0 |
12 | 8686a1aa70 |
13 | 421aca6816 |
14 | 21cd852c4c |
15 | 12374e9680 |
hex | a4873f274 |
44165231220 has 96 divisors (see below), whose sum is σ = 134938016640. Its totient is φ = 10704079360.
The previous prime is 44165231213. The next prime is 44165231221. The reversal of 44165231220 is 2213256144.
44165231220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (44165231221) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4687234 + ... + 4696646.
It is an arithmetic number, because the mean of its divisors is an integer number (1405604340).
Almost surely, 244165231220 is an apocalyptic number.
It is an amenable number.
44165231220 is an abundant number, since it is smaller than the sum of its proper divisors (90772785420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
44165231220 is a wasteful number, since it uses less digits than its factorization.
44165231220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16545 (or 16543 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 30.
Adding to 44165231220 its reverse (2213256144), we get a palindrome (46378487364).
The spelling of 44165231220 in words is "forty-four billion, one hundred sixty-five million, two hundred thirty-one thousand, two hundred twenty".
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