| Base | Representation |
|---|---|
| bin | 1000010000011100… |
| … | …0011011011010100 |
| 3 | 12201110121220020000 |
| 4 | 2010013003123110 |
| 5 | 14014402112211 |
| 6 | 1003534011300 |
| 7 | 105632304510 |
| oct | 20407033324 |
| 9 | 5643556200 |
| 10 | 2216441556 |
| 11 | a3813a38a |
| 12 | 51a346b30 |
| 13 | 29426a1a4 |
| 14 | 17051b140 |
| 15 | ce8b8656 |
| hex | 841c36d4 |
2216441556 has 120 divisors (see below), whose sum is σ = 6747269760. Its totient is φ = 621286848.
The previous prime is 2216441543. The next prime is 2216441581. The reversal of 2216441556 is 6551446122.
2216441556 is a `hidden beast` number, since 2 + 2 + 1 + 64 + 41 + 556 = 666.
It is a super-2 number, since 2×22164415562 = 9825226342327402272, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 2216441556.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 110985 + ... + 129423.
It is an arithmetic number, because the mean of its divisors is an integer number (56227248).
Almost surely, 22216441556 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 2216441556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3373634880).
2216441556 is an abundant number, since it is smaller than the sum of its proper divisors (4530828204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2216441556 is a wasteful number, since it uses less digits than its factorization.
2216441556 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18515 (or 18504 counting only the distinct ones).
The product of its digits is 57600, while the sum is 36.
The square root of 2216441556 is about 47079.0989293551. The cubic root of 2216441556 is about 1303.8233706652.
Adding to 2216441556 its reverse (6551446122), we get a palindrome (8767887678).
The spelling of 2216441556 in words is "two billion, two hundred sixteen million, four hundred forty-one thousand, five hundred fifty-six".
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