Base | Representation |
---|---|
bin | 101101110110… |
… | …010100000000 |
3 | 211121121220002 |
4 | 231312110000 |
5 | 11034101234 |
6 | 1105335132 |
7 | 204105440 |
oct | 55662400 |
9 | 24547802 |
10 | 12018944 |
11 | 686a013 |
12 | 40374a8 |
13 | 264a802 |
14 | 184c120 |
15 | 10c627e |
hex | b76500 |
12018944 has 72 divisors (see below), whose sum is σ = 28943040. Its totient is φ = 4866048.
The previous prime is 12018931. The next prime is 12018953. The reversal of 12018944 is 44981021.
It is a nialpdrome in base 16.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33872 + ... + 34224.
Almost surely, 212018944 is an apocalyptic number.
12018944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12018944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14471520).
12018944 is an abundant number, since it is smaller than the sum of its proper divisors (16924096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12018944 is an equidigital number, since it uses as much as digits as its factorization.
12018944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 395 (or 381 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 29.
The square root of 12018944 is about 3466.8348677144. The cubic root of 12018944 is about 229.0632599842.
Adding to 12018944 its reverse (44981021), we get a palindrome (56999965).
The spelling of 12018944 in words is "twelve million, eighteen thousand, nine hundred forty-four".
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