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1728975130055 = 517123143165181
BaseRepresentation
bin11001001010001110111…
…100101100110111000111
320010021210020201221022222
4121022032330230313013
5211311420113130210
63402140305242555
7235625421056255
oct31121674546707
96107706657288
101728975130055
11607288428668
1223b10633345b
13c7070693744
145d97ba135d5
152ee944a2655
hex1928ef2cdc7

1728975130055 has 16 divisors (see below), whose sum is σ = 2196846598464. Its totient is φ = 1301798115840.

The previous prime is 1728975130027. The next prime is 1728975130063. The reversal of 1728975130055 is 5500315798271.

It is not a de Polignac number, because 1728975130055 - 26 = 1728975129991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1728975129979 and 1728975130006.

It is a congruent number.

It is an unprimeable number.

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, 10384565 + ... + 10549745.

It is an arithmetic number, because the mean of its divisors is an integer number (137302912404).

Almost surely, 21728975130055 is an apocalyptic number.

1728975130055 is a deficient number, since it is larger than the sum of its proper divisors (467871468409).

1728975130055 is a wasteful number, since it uses less digits than its factorization.

1728975130055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288346.

The product of its (nonzero) digits is 2646000, while the sum is 53.

The spelling of 1728975130055 in words is "one trillion, seven hundred twenty-eight billion, nine hundred seventy-five million, one hundred thirty thousand, fifty-five".

Divisors: 1 5 17 85 123143 165181 615715 825905 2093431 2808077 10467155 14040385 20340883883 101704419415 345795026011 1728975130055