Is that correct?

add 61
from: dec:1152921504606846976- hex:1000000000000000
to: dec:2305843009213693953-     hex:2000000000000001

add62
from: dec:2305843009213693953 - hex:2000000000000001
to: dec:4611686018427387904 -     hex:4000000000000000

addr63
from: dec:4611686018427387904-     hex:4000000000000000
to: dec:9223372036854775808 -        hex:8000000000000000

addr64
from: dec:9223372036854775808 -       hex: 8000000000000000
to: dec:18446744073709551616 -         hex:010000000000000000

addr65
from: dec:18446744073709551616 - hex:010000000000000000
to: dec:36893488147419103232 -     hex: 020000000000000000