250,306,000,013
you write it like this eighteen,fivehundred sixtyfour,twohundred ninety
Twohundred and seventysix point nought five seven
TwoHundred-thirty dollars. If it's on a check-Two hundred-thirty dollars and 00/100 or no/100.
14
I write 620 billion as 620 billion.
Sixteen point two billion is how I would write it.
You write 3.56 billion as 3,560,000,000.
You can write 40.3 billion as 40,300,000,000.
You can write out 1.8 billion as "1,800,000,000" or "one billion eight hundred million."
Since you asked how I would write the number, the answer is 1031.
1,000 billion billion is: 1,000,000,000,000,000,000,000