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641343484343146 = 213101244228288021
BaseRepresentation
bin1001000111010011000110101…
…0100100000011001101101010
310010002210211122010122010222111
42101310301222210003031222
51133030232423442440041
610152005043532512534
7252042352262656114
oct22164615244031552
93102724563563874
10641343484343146
11176396276137882
125bb207b731b74a
13216b257b098080
14b4532941443b4
154e22c3865e981
hex2474c6a90336a

641343484343146 has 16 divisors (see below), whose sum is σ = 1046273985886248. Its totient is φ = 293073945624000.

The previous prime is 641343484343119. The next prime is 641343484343161.

641343484343146 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 402602017853025 + 238741466490121 = 20064945^2 + 15451261^2 .

It is a super-2 number, since 2×6413434843431462 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122114141385 + ... + 122114146636.

Almost surely, 2641343484343146 is an apocalyptic number.

641343484343146 is a deficient number, since it is larger than the sum of its proper divisors (404930501543102).

641343484343146 is a wasteful number, since it uses less digits than its factorization.

641343484343146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244228288137.

The product of its digits is 95551488, while the sum is 58.

The spelling of 641343484343146 in words is "six hundred forty-one trillion, three hundred forty-three billion, four hundred eighty-four million, three hundred forty-three thousand, one hundred forty-six".

Divisors: 1 2 13 26 101 202 1313 2626 244228288021 488456576042 3174967744273 6349935488546 24667057090121 49334114180242 320671742171573 641343484343146