title: Python : How to format large number without comma
body: <p>Problem is described below :     </p>
  
  <pre><code>a = 535221324694    
  b = round(a*1,024)    
  print "number :"+str(b)    
  &gt;number :5.48066636487e+11    
  </code></pre>
  
  <p>I have tried : </p>
  
  <pre><code>print "number :"+'{0:0f}'.format(b)
  &gt;number :548066636487.000000
  </code></pre>
  
  <p>The result I am looking for is : </p>
  
  <pre><code>&gt;548066636487
  </code></pre>