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54216895280 = 245677711191
BaseRepresentation
bin110010011111100101…
…000010101100110000
312011221110122122110112
4302133211002230300
51342014011122110
640523520120452
73626355002042
oct623745025460
9164843578415
1054216895280
1120aa2029979
12a611166128
1351605b2932
1428a47c3a92
151624bb0405
hexc9f942b30

54216895280 has 20 divisors (see below), whose sum is σ = 126054281712. Its totient is φ = 21686758080.

The previous prime is 54216895237. The next prime is 54216895289. The reversal of 54216895280 is 8259861245.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (54216895289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338855516 + ... + 338855675.

Almost surely, 254216895280 is an apocalyptic number.

It is an amenable number.

54216895280 is an abundant number, since it is smaller than the sum of its proper divisors (71837386432).

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

54216895280 is a wasteful number, since it uses less digits than its factorization.

54216895280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677711204 (or 677711198 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 50.

The spelling of 54216895280 in words is "fifty-four billion, two hundred sixteen million, eight hundred ninety-five thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 677711191 1355422382 2710844764 3388555955 5421689528 6777111910 10843379056 13554223820 27108447640 54216895280