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131043403212042 = 23212396910282903
BaseRepresentation
bin11101110010111011101011…
…011111111010010100001010
3122011222121221002020100000210
4131302323223133322110022
5114134003342210241132
61142412301445541550
736413400456524346
oct3562735337722412
9564877832210023
10131043403212042
11388332169007a2
121284510a7148b6
1358174559b20c9
14245076ab78626
151023b16485bcc
hex772eeb7fa50a

131043403212042 has 16 divisors (see below), whose sum is σ = 262086955306560. Its totient is φ = 43681109590272.

The previous prime is 131043403212041. The next prime is 131043403212077. The reversal of 131043403212042 is 240212304340131.

It is not an unprimeable number, because it can be changed into a prime (131043403212041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7602363 + ... + 17885265.

It is an arithmetic number, because the mean of its divisors is an integer number (16380434706660).

Almost surely, 2131043403212042 is an apocalyptic number.

131043403212042 is an abundant number, since it is smaller than the sum of its proper divisors (131043552094518).

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

131043403212042 is a wasteful number, since it uses less digits than its factorization.

131043403212042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12406877.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 131043403212042 its reverse (240212304340131), we get a palindrome (371255707552173).

The spelling of 131043403212042 in words is "one hundred thirty-one trillion, forty-three billion, four hundred three million, two hundred twelve thousand, forty-two".

Divisors: 1 2 3 6 2123969 4247938 6371907 10282903 12743814 20565806 30848709 61697418 21840567202007 43681134404014 65521701606021 131043403212042