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6821198714 = 211378379851
BaseRepresentation
bin1100101101001001…
…10011101101111010
3122121101021210112102
412112210303231322
5102432211324324
63044505543402
7331015142501
oct62644635572
918541253472
106821198714
112990430610
1213a44a4b62
13849261875
14489cd5838
1529dc9adae
hex196933b7a

6821198714 has 16 divisors (see below), whose sum is σ = 11463637536. Its totient is φ = 3016746000.

The previous prime is 6821198701. The next prime is 6821198719. The reversal of 6821198714 is 4178911286.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6821198719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4189112 + ... + 4190739.

It is an arithmetic number, because the mean of its divisors is an integer number (716477346).

Almost surely, 26821198714 is an apocalyptic number.

6821198714 is a deficient number, since it is larger than the sum of its proper divisors (4642438822).

6821198714 is a wasteful number, since it uses less digits than its factorization.

6821198714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8379901.

The product of its digits is 193536, while the sum is 47.

The square root of 6821198714 is about 82590.5485754877. The cubic root of 6821198714 is about 1896.5031447070.

The spelling of 6821198714 in words is "six billion, eight hundred twenty-one million, one hundred ninety-eight thousand, seven hundred fourteen".

Divisors: 1 2 11 22 37 74 407 814 8379851 16759702 92178361 184356722 310054487 620108974 3410599357 6821198714