Base | Representation |
---|---|
bin | 101101110110… |
… | …010011011110 |
3 | 211121121211211 |
4 | 231312103132 |
5 | 11034101120 |
6 | 1105335034 |
7 | 204105361 |
oct | 55662336 |
9 | 24547754 |
10 | 12018910 |
11 | 6869a92 |
12 | 403747a |
13 | 264a7a7 |
14 | 184c0d8 |
15 | 10c625a |
hex | b764de |
12018910 has 16 divisors (see below), whose sum is σ = 21681936. Its totient is φ = 4796928.
The previous prime is 12018907. The next prime is 12018931. The reversal of 12018910 is 1981021.
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, 4729 + ... + 6811.
It is an arithmetic number, because the mean of its divisors is an integer number (1355121).
Almost surely, 212018910 is an apocalyptic number.
12018910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12018910 is a deficient number, since it is larger than the sum of its proper divisors (9663026).
12018910 is a wasteful number, since it uses less digits than its factorization.
12018910 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2667.
The product of its (nonzero) digits is 144, while the sum is 22.
The square root of 12018910 is about 3466.8299641027. The cubic root of 12018910 is about 229.0630439874.
Adding to 12018910 its reverse (1981021), we get a palindrome (13999931).
The spelling of 12018910 in words is "twelve million, eighteen thousand, nine hundred ten".
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