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1613130613 is a prime number
BaseRepresentation
bin110000000100110…
…0110101101110101
311011102101112012021
41200021212231311
511300430134423
6424022553141
754655245463
oct14011465565
94142345167
101613130613
1175862a9a6
123902987b1
131c9282573
14114351833
159694495d
hex60266b75

1613130613 has 2 divisors, whose sum is σ = 1613130614. Its totient is φ = 1613130612.

The previous prime is 1613130611. The next prime is 1613130619. The reversal of 1613130613 is 3160313161.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 863301924 + 749828689 = 29382^2 + 27383^2 .

It is a cyclic number.

It is not a de Polignac number, because 1613130613 - 21 = 1613130611 is a prime.

Together with 1613130611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1613130611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806565306 + 806565307.

It is an arithmetic number, because the mean of its divisors is an integer number (806565307).

Almost surely, 21613130613 is an apocalyptic number.

It is an amenable number.

1613130613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1613130613 is an equidigital number, since it uses as much as digits as its factorization.

1613130613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 1613130613 is about 40163.7972930847. The cubic root of 1613130613 is about 1172.7978946756.

Adding to 1613130613 its reverse (3160313161), we get a palindrome (4773443774).

The spelling of 1613130613 in words is "one billion, six hundred thirteen million, one hundred thirty thousand, six hundred thirteen".