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54253462945 = 5112381152883
BaseRepresentation
bin110010100001110000…
…100010010110100001
312012001000110110212111
4302201300202112201
51342102341303240
640531303555321
73630310553233
oct624160422641
9165030413774
1054253462945
1121010735790
12a62145bb41
1351680470c6
1428a95c2253
151627ed51ea
hexca1c225a1

54253462945 has 32 divisors (see below), whose sum is σ = 74203444224. Its totient is φ = 37694289600.

The previous prime is 54253462897. The next prime is 54253462957. The reversal of 54253462945 is 54926435245.

It is not a de Polignac number, because 54253462945 - 29 = 54253462433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 999474 + ... + 1052356.

It is an arithmetic number, because the mean of its divisors is an integer number (2318857632).

Almost surely, 254253462945 is an apocalyptic number.

54253462945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54253462945 is a deficient number, since it is larger than the sum of its proper divisors (19949981279).

54253462945 is a wasteful number, since it uses less digits than its factorization.

54253462945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53733.

The product of its digits is 5184000, while the sum is 49.

The spelling of 54253462945 in words is "fifty-four billion, two hundred fifty-three million, four hundred sixty-two thousand, nine hundred forty-five".

Divisors: 1 5 11 23 55 115 253 811 1265 4055 8921 18653 44605 52883 93265 205183 264415 581713 1025915 1216309 2908565 6081545 13379399 42888113 66896995 214440565 471769243 986426599 2358846215 4932132995 10850692589 54253462945