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54543122143 = 314371956909
BaseRepresentation
bin110010110011000001…
…011111111011011111
312012210012111200120221
4302303001133323133
51343201014402033
641020132222211
73640425613546
oct626301377337
9165705450527
1054543122143
112114a196a54
12a6a246a967
1351b3064193
1428d5c6315d
15164365012d
hexcb305fedf

54543122143 has 16 divisors (see below), whose sum is σ = 57693081600. Its totient is φ = 51483529440.

The previous prime is 54543122131. The next prime is 54543122171. The reversal of 54543122143 is 34122134545.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54543122143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54543122099 and 54543122108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54543122113) 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 in 15 ways as a sum of consecutive naturals, for example, 929973 + ... + 986881.

It is an arithmetic number, because the mean of its divisors is an integer number (3605817600).

Almost surely, 254543122143 is an apocalyptic number.

54543122143 is a deficient number, since it is larger than the sum of its proper divisors (3149959457).

54543122143 is a wasteful number, since it uses less digits than its factorization.

54543122143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57702.

The product of its digits is 57600, while the sum is 34.

Adding to 54543122143 its reverse (34122134545), we get a palindrome (88665256688).

The spelling of 54543122143 in words is "fifty-four billion, five hundred forty-three million, one hundred twenty-two thousand, one hundred forty-three".

Divisors: 1 31 43 719 1333 22289 30917 56909 958427 1764179 2447087 40917571 75859697 1268444701 1759455553 54543122143