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13018219 is a prime number
BaseRepresentation
bin110001101010…
…010001101011
3220111101122021
4301222101223
511313040334
61143005311
7215436664
oct61522153
926441567
1013018219
117391865
124439837
13290a5b6
141a2c36b
1512223b4
hexc6a46b

13018219 has 2 divisors, whose sum is σ = 13018220. Its totient is φ = 13018218.

The previous prime is 13018217. The next prime is 13018241. The reversal of 13018219 is 91281031.

13018219 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 is a cyclic number.

It is not a de Polignac number, because 13018219 - 21 = 13018217 is a prime.

It is a super-2 number, since 2×130182192 = 338948051863922, which contains 22 as substring.

Together with 13018217, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 13018193 and 13018202.

It is not a weakly prime, because it can be changed into another prime (13018217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6509109 + 6509110.

It is an arithmetic number, because the mean of its divisors is an integer number (6509110).

Almost surely, 213018219 is an apocalyptic number.

13018219 is a deficient number, since it is larger than the sum of its proper divisors (1).

13018219 is an equidigital number, since it uses as much as digits as its factorization.

13018219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 13018219 is about 3608.0769115971. The cubic root of 13018219 is about 235.2432610025.

The spelling of 13018219 in words is "thirteen million, eighteen thousand, two hundred nineteen".