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 Successor of 1,00,000 is 1,00,000 + 1= 1,00,001.So 1,00,001 is
the successor of 1,00,000.

Successor of 0 is 0 + 1 = 1.

Successor of 99,099 is 99,099 + 1 = 99,100

Successor of 3,099,999 is 3,099,999 + 1= 3,100,000.