Base | Representation |
---|---|
bin | 100110001101… |
… | …111101101100 |
3 | 200212000000210 |
4 | 212031331230 |
5 | 10031044133 |
6 | 554422420 |
7 | 151104642 |
oct | 46157554 |
9 | 20760023 |
10 | 10018668 |
11 | 57231a0 |
12 | 3431a10 |
13 | 20ca20a |
14 | 148b192 |
15 | d2d763 |
hex | 98df6c |
10018668 has 48 divisors (see below), whose sum is σ = 25885440. Its totient is φ = 2990400.
The previous prime is 10018667. The next prime is 10018669. The reversal of 10018668 is 86681001.
It is an interprime number because it is at equal distance from previous prime (10018667) and next prime (10018669).
It is not an unprimeable number, because it can be changed into a prime (10018667) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8838 + ... + 9906.
It is an arithmetic number, because the mean of its divisors is an integer number (539280).
Almost surely, 210018668 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 10018668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12942720).
10018668 is an abundant number, since it is smaller than the sum of its proper divisors (15866772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10018668 is a wasteful number, since it uses less digits than its factorization.
10018668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1158 (or 1156 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 30.
The square root of 10018668 is about 3165.2279538763. The cubic root of 10018668 is about 215.5774489558.
Adding to 10018668 its reverse (86681001), we get a palindrome (96699669).
It can be divided in two parts, 1001 and 8668, that added together give a palindrome (9669).
The spelling of 10018668 in words is "ten million, eighteen thousand, six hundred sixty-eight".
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