how to divide integer and take some part
<p>I have a variable holding x length number, in real time I do not know x. I just want to get divide this value into two. For example;</p>

<pre><code>   variable holds a =  01029108219821082904444333322221111
   I just want to take last 16 integers as a new number, like
              b = 0  # initialization
              b = doSomeOp (a)
              b = 4444333322221111 # new value of b
</code></pre>

<p>How can I divide the integer ?</p>
