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8243689214 = 259349200177
BaseRepresentation
bin1111010110101110…
…01011011011111110
3210021111221210122202
413223113023123332
5113340341023324
63442002511502
7411200126225
oct75327133376
923244853582
108243689214
1135503907a2
121720965592
13a14b86217
14582bbdcbc
15333ad48ae
hex1eb5cb6fe

8243689214 has 16 divisors (see below), whose sum is σ = 12611214000. Its totient is φ = 4040352384.

The previous prime is 8243689213. The next prime is 8243689243. The reversal of 8243689214 is 4129863428.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8243689213) by changing a digit.

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, 58907 + ... + 141270.

It is an arithmetic number, because the mean of its divisors is an integer number (788200875).

Almost surely, 28243689214 is an apocalyptic number.

8243689214 is a deficient number, since it is larger than the sum of its proper divisors (4367524786).

8243689214 is a wasteful number, since it uses less digits than its factorization.

8243689214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200587.

The product of its digits is 663552, while the sum is 47.

The square root of 8243689214 is about 90794.7642433197. The cubic root of 8243689214 is about 2020.1046586626.

The spelling of 8243689214 in words is "eight billion, two hundred forty-three million, six hundred eighty-nine thousand, two hundred fourteen".

Divisors: 1 2 59 118 349 698 20591 41182 200177 400354 11810443 23620886 69861773 139723546 4121844607 8243689214