Base | Representation |
---|---|
bin | 101110011000… |
… | …110011011010 |
3 | 211212210200110 |
4 | 232120303122 |
5 | 11103111333 |
6 | 1112345150 |
7 | 205234350 |
oct | 56306332 |
9 | 24783613 |
10 | 12160218 |
11 | 6956174 |
12 | 40a51b6 |
13 | 2699bc5 |
14 | 18877d0 |
15 | 1103063 |
hex | b98cda |
12160218 has 32 divisors (see below), whose sum is σ = 27901440. Its totient is φ = 3461040.
The previous prime is 12160217. The next prime is 12160223. The reversal of 12160218 is 81206121.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 12160194 and 12160203.
It is not an unprimeable number, because it can be changed into a prime (12160217) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 17253 + ... + 17943.
It is an arithmetic number, because the mean of its divisors is an integer number (871920).
Almost surely, 212160218 is an apocalyptic number.
12160218 is an abundant number, since it is smaller than the sum of its proper divisors (15741222).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12160218 is a wasteful number, since it uses less digits than its factorization.
12160218 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1122.
The product of its (nonzero) digits is 192, while the sum is 21.
The square root of 12160218 is about 3487.1504125862. The cubic root of 12160218 is about 229.9572573377.
Adding to 12160218 its reverse (81206121), we get a palindrome (93366339).
The spelling of 12160218 in words is "twelve million, one hundred sixty thousand, two hundred eighteen".
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