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713121349 is a prime number
BaseRepresentation
bin101010100000010…
…101111001000101
31211200212022120211
4222200111321011
52430024340344
6154432355421
723446300663
oct5240257105
91750768524
10713121349
113365a1696
1217a9a5b71
13b49848c5
146a9d1c33
1542915334
hex2a815e45

713121349 has 2 divisors, whose sum is σ = 713121350. Its totient is φ = 713121348.

The previous prime is 713121347. The next prime is 713121391. The reversal of 713121349 is 943121317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 596092225 + 117029124 = 24415^2 + 10818^2 .

It is a cyclic number.

It is not a de Polignac number, because 713121349 - 21 = 713121347 is a prime.

Together with 713121347, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 713121349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (713121341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356560674 + 356560675.

It is an arithmetic number, because the mean of its divisors is an integer number (356560675).

Almost surely, 2713121349 is an apocalyptic number.

It is an amenable number.

713121349 is a deficient number, since it is larger than the sum of its proper divisors (1).

713121349 is an equidigital number, since it uses as much as digits as its factorization.

713121349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 31.

The square root of 713121349 is about 26704.3320268454. The cubic root of 713121349 is about 893.4175501499.

The spelling of 713121349 in words is "seven hundred thirteen million, one hundred twenty-one thousand, three hundred forty-nine".