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131044402045554 = 2352733414175823
BaseRepresentation
bin11101110010111100100111…
…000010001010001001110010
3122011222201111200201100000120
4131302330213002022021302
5114134012413410424204
61142412544530231110
736413434305466404
oct3562744702121162
9564881450640016
10131044402045554
11388336896a8138
1212845349125496
13581758490135a
1424508236a0b74
151023b73ed66d9
hex772f2708a272

131044402045554 has 16 divisors (see below), whose sum is σ = 262093774833792. Its totient is φ = 43680638891408.

The previous prime is 131044402045537. The next prime is 131044402045591. The reversal of 131044402045554 is 455540204440131.

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 7 ways as a sum of consecutive naturals, for example, 206771514 + ... + 207404309.

It is an arithmetic number, because the mean of its divisors is an integer number (16380860927112).

Almost surely, 2131044402045554 is an apocalyptic number.

131044402045554 is an abundant number, since it is smaller than the sum of its proper divisors (131049372788238).

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

131044402045554 is a wasteful number, since it uses less digits than its factorization.

131044402045554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414228561.

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 131044402045554 its reverse (455540204440131), we get a palindrome (586584606485685).

The spelling of 131044402045554 in words is "one hundred thirty-one trillion, forty-four billion, four hundred two million, forty-five thousand, five hundred fifty-four".

Divisors: 1 2 3 6 52733 105466 158199 316398 414175823 828351646 1242527469 2485054938 21840733674259 43681467348518 65522201022777 131044402045554