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13230383821 is a prime number
BaseRepresentation
bin11000101001001011…
…11010001011001101
31021011001022010122121
430110211322023031
5204043434240241
610024501012541
7645601256404
oct142445721315
937131263577
1013230383821
11567a230206
1226929b4151
13132b0368a5
148d71ba63b
155267adad1
hex31497a2cd

13230383821 has 2 divisors, whose sum is σ = 13230383822. Its totient is φ = 13230383820.

The previous prime is 13230383813. The next prime is 13230383839. The reversal of 13230383821 is 12838303231.

13230383821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12229926921 + 1000456900 = 110589^2 + 31630^2 .

It is a cyclic number.

It is not a de Polignac number, because 13230383821 - 23 = 13230383813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13230383801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615191910 + 6615191911.

It is an arithmetic number, because the mean of its divisors is an integer number (6615191911).

Almost surely, 213230383821 is an apocalyptic number.

It is an amenable number.

13230383821 is a deficient number, since it is larger than the sum of its proper divisors (1).

13230383821 is an equidigital number, since it uses as much as digits as its factorization.

13230383821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 13230383821 in words is "thirteen billion, two hundred thirty million, three hundred eighty-three thousand, eight hundred twenty-one".