At this particular moment, selling 1,000,000 bitcoins would take the market price down to 0.10 USD. The average price realized would be $14.288 USD, so you'd g

At this particular moment, selling 1,000,000 bitcoins would take the market price down to 0.10 USD. The average price realized would be $14.288 USD, so you'd get $14,000,000. Not bad, really. Source- "Gribble", the bot on the bitcoin irc channels that calculates these things based on the MtGox order book.