Q: 27 (CAPF/2016)

A device can write 100 digits in 1 minute . It starts writing natural numbers. The device is stopped after running it for half an hour. It is found that the last number it was writing is incomplete . The number is
question_subject: 
Maths
question_year: 
2016
question_exam: 
CAPF
stats: 
0,40,248,128,96,24,40