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2643041941 = 23116398809
BaseRepresentation
bin1001110110001001…
…1001111010010101
320211012100102221021
42131202121322111
520403104320231
61114133321141
7122332325431
oct23542317225
96735312837
102643041941
111136a23591
126191961b1
13331763257
141b10479c1
15107083811
hex9d899e95

2643041941 has 8 divisors (see below), whose sum is σ = 2760356160. Its totient is φ = 2525927712.

The previous prime is 2643041893. The next prime is 2643042011. The reversal of 2643041941 is 1491403462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-2643041941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2643041897 and 2643041906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643041041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22656 + ... + 76153.

It is an arithmetic number, because the mean of its divisors is an integer number (345044520).

Almost surely, 22643041941 is an apocalyptic number.

It is an amenable number.

2643041941 is a deficient number, since it is larger than the sum of its proper divisors (117314219).

2643041941 is a wasteful number, since it uses less digits than its factorization.

2643041941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99995.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 2643041941 is about 51410.5236405933. The cubic root of 2643041941 is about 1382.6152780997.

The spelling of 2643041941 in words is "two billion, six hundred forty-three million, forty-one thousand, nine hundred forty-one".

Divisors: 1 23 1163 26749 98809 2272607 114914867 2643041941