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54284227068 = 2234523685589
BaseRepresentation
bin110010100011100101…
…111001000111111100
312012010011100110022110
4302203211321013330
51342133230231233
640534323214020
73631133213451
oct624345710774
9165104313273
1054284227068
1121027038285
12a62b817310
135171528b26
1428ad70d828
15162aa60663
hexca39791fc

54284227068 has 12 divisors (see below), whose sum is σ = 126663196520. Its totient is φ = 18094742352.

The previous prime is 54284227061. The next prime is 54284227073. The reversal of 54284227068 is 86072248245.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54284227061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2261842783 + ... + 2261842806.

Almost surely, 254284227068 is an apocalyptic number.

It is an amenable number.

54284227068 is an abundant number, since it is smaller than the sum of its proper divisors (72378969452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54284227068 is a wasteful number, since it uses less digits than its factorization.

54284227068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4523685596 (or 4523685594 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 48.

The spelling of 54284227068 in words is "fifty-four billion, two hundred eighty-four million, two hundred twenty-seven thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 4523685589 9047371178 13571056767 18094742356 27142113534 54284227068