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79342343321 is a prime number
BaseRepresentation
bin100100111100100101…
…1000001010010011001
321120210111121122122012
41021321023001102121
52244443114441241
6100241021435305
75506114535123
oct1117113012231
9246714548565
1079342343321
113071575896a
121346370bb35
137635acca57
143ba96a4213
1520e58b26eb
hex12792c1499

79342343321 has 2 divisors, whose sum is σ = 79342343322. Its totient is φ = 79342343320.

The previous prime is 79342343291. The next prime is 79342343351. The reversal of 79342343321 is 12334324397.

It is a balanced prime because it is at equal distance from previous prime (79342343291) and next prime (79342343351).

It can be written as a sum of positive squares in only one way, i.e., 45334926400 + 34007416921 = 212920^2 + 184411^2 .

It is an emirp because it is prime and its reverse (12334324397) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79342343321 - 214 = 79342326937 is a prime.

It is not a weakly prime, because it can be changed into another prime (79342343351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39671171660 + 39671171661.

It is an arithmetic number, because the mean of its divisors is an integer number (39671171661).

Almost surely, 279342343321 is an apocalyptic number.

It is an amenable number.

79342343321 is a deficient number, since it is larger than the sum of its proper divisors (1).

79342343321 is an equidigital number, since it uses as much as digits as its factorization.

79342343321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 41.

The spelling of 79342343321 in words is "seventy-nine billion, three hundred forty-two million, three hundred forty-three thousand, three hundred twenty-one".