[seqfan] The One-Billionth Kaprekar Number (A006886)

[Hans Havermann]

On 13 October 2011 I wrote: "I am currently re-doing my k=180 run (it  
took three weeks) in the hopes of pinning down the one-billionth  
Kaprekar number."

Better late than never. For what it's worth, I'm putting my money on  
67939724934973926389828284012602181246021248515976590320719465368819692049657102676181412500787000603460107802882499378473201373667679461635359309773483851454476557937963244208934 
.