Base | Representation |
---|---|
bin | 1000001100110001… |
… | …0001001100010100 |
3 | 12200101121222112010 |
4 | 2003030101030110 |
5 | 14001431001234 |
6 | 1002223424220 |
7 | 105354313203 |
oct | 20314211424 |
9 | 5611558463 |
10 | 2201031444 |
11 | a2a474557 |
12 | 515155070 |
13 | 291002c91 |
14 | 16c46923a |
15 | cd3726e9 |
hex | 83311314 |
2201031444 has 48 divisors (see below), whose sum is σ = 5340525120. Its totient is φ = 704686080.
The previous prime is 2201031431. The next prime is 2201031449. The reversal of 2201031444 is 4441301022.
It is a self number, because there is not a number n which added to its sum of digits gives 2201031444.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2201031449) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50779 + ... + 83549.
It is an arithmetic number, because the mean of its divisors is an integer number (111260940).
Almost surely, 22201031444 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 2201031444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2670262560).
2201031444 is an abundant number, since it is smaller than the sum of its proper divisors (3139493676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2201031444 is a wasteful number, since it uses less digits than its factorization.
2201031444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33000 (or 32998 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 2201031444 is about 46915.1515397744. The cubic root of 2201031444 is about 1300.7946707381.
Adding to 2201031444 its reverse (4441301022), we get a palindrome (6642332466).
The spelling of 2201031444 in words is "two billion, two hundred one million, thirty-one thousand, four hundred forty-four".
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