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54685831133 is a prime number
BaseRepresentation
bin110010111011100001…
…111000111111011101
312020011011001001112002
4302323201320333131
51343444033044013
641042231052045
73644110616003
oct627341707735
9166134031462
1054685831133
11212127a936a
12a722211025
1352067ac57b
14290abb0a73
151650e3e358
hexcbb878fdd

54685831133 has 2 divisors, whose sum is σ = 54685831134. Its totient is φ = 54685831132.

The previous prime is 54685831091. The next prime is 54685831163. The reversal of 54685831133 is 33113858645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36299013529 + 18386817604 = 190523^2 + 135598^2 .

It is a cyclic number.

It is not a de Polignac number, because 54685831133 - 234 = 37505961949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54685831163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27342915566 + 27342915567.

It is an arithmetic number, because the mean of its divisors is an integer number (27342915567).

Almost surely, 254685831133 is an apocalyptic number.

It is an amenable number.

54685831133 is a deficient number, since it is larger than the sum of its proper divisors (1).

54685831133 is an equidigital number, since it uses as much as digits as its factorization.

54685831133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1036800, while the sum is 47.

The spelling of 54685831133 in words is "fifty-four billion, six hundred eighty-five million, eight hundred thirty-one thousand, one hundred thirty-three".