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144000665305 = 575377628391
BaseRepresentation
bin1000011000011100011…
…0111100011011011001
3111202200122122201211021
42012013012330123121
54324403132242210
6150053014002441
713255320313360
oct2060706743331
9452618581737
10144000665305
1156085692202
1223aa9646421
131076b687483
146d80ab67d7
153b2c078bda
hex21871bc6d9

144000665305 has 16 divisors (see below), whose sum is σ = 201212792064. Its totient is φ = 96880230720.

The previous prime is 144000665299. The next prime is 144000665357. The reversal of 144000665305 is 503566000441.

144000665305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144000665305 - 29 = 144000664793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38812341 + ... + 38816050.

It is an arithmetic number, because the mean of its divisors is an integer number (12575799504).

Almost surely, 2144000665305 is an apocalyptic number.

It is an amenable number.

144000665305 is a deficient number, since it is larger than the sum of its proper divisors (57212126759).

144000665305 is an equidigital number, since it uses as much as digits as its factorization.

144000665305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77628456.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 144000665305 its reverse (503566000441), we get a palindrome (647566665746).

The spelling of 144000665305 in words is "one hundred forty-four billion, six hundred sixty-five thousand, three hundred five".

Divisors: 1 5 7 35 53 265 371 1855 77628391 388141955 543398737 2716993685 4114304723 20571523615 28800133061 144000665305