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79838710349 is a prime number
BaseRepresentation
bin100101001011011000…
…0100000101001001101
321122002002121201012012
41022112300200221031
52302002202212344
6100402152351005
75524322561246
oct1122660405115
9248062551165
1079838710349
113094a963852
12135819a5465
1376b48b2358
143c15591ccd
15212425e29e
hex1296c20a4d

79838710349 has 2 divisors, whose sum is σ = 79838710350. Its totient is φ = 79838710348.

The previous prime is 79838710327. The next prime is 79838710423. The reversal of 79838710349 is 94301783897.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79247880100 + 590830249 = 281510^2 + 24307^2 .

It is a cyclic number.

It is not a de Polignac number, because 79838710349 - 220 = 79837661773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79838710319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39919355174 + 39919355175.

It is an arithmetic number, because the mean of its divisors is an integer number (39919355175).

Almost surely, 279838710349 is an apocalyptic number.

It is an amenable number.

79838710349 is a deficient number, since it is larger than the sum of its proper divisors (1).

79838710349 is an equidigital number, since it uses as much as digits as its factorization.

79838710349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 79838710349 in words is "seventy-nine billion, eight hundred thirty-eight million, seven hundred ten thousand, three hundred forty-nine".