a whole number

English as a Second Language English Vocabulary, Grammar and Idioms
1
  1. A number such as 0, 1, 2 etc is not a fraction but whole number[= integer].
    1a. A number such as 0, 1, 2 etc is not a fraction but a whole number[= integer].
  2. He was seen as the most powerful dictator of all time.
    2a. He was seen as the all powerful dictator of all time.
    Please correct the above.
    Thanks.
2

1a. A number such as 0, 1, 2 etc is not a fraction but a whole number (or an integer).
2. He is seen as (considered) the most powerful dictator of all times.