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5817185189 is a prime number
BaseRepresentation
bin1010110101011101…
…10011001110100101
3120000102001121220022
411122232303032211
543403144411224
62401122244525
7264104154404
oct53256631645
916012047808
105817185189
112515716372
1211641b6745
1371924a91a
143d282163b
15240a7565e
hex15abb33a5

5817185189 has 2 divisors, whose sum is σ = 5817185190. Its totient is φ = 5817185188.

The previous prime is 5817185173. The next prime is 5817185191. The reversal of 5817185189 is 9815817185.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3939696289 + 1877488900 = 62767^2 + 43330^2 .

It is a cyclic number.

It is not a de Polignac number, because 5817185189 - 24 = 5817185173 is a prime.

Together with 5817185191, 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 5817185189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5817185989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2908592594 + 2908592595.

It is an arithmetic number, because the mean of its divisors is an integer number (2908592595).

Almost surely, 25817185189 is an apocalyptic number.

It is an amenable number.

5817185189 is a deficient number, since it is larger than the sum of its proper divisors (1).

5817185189 is an equidigital number, since it uses as much as digits as its factorization.

5817185189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 53.

The square root of 5817185189 is about 76270.4739004551. The cubic root of 5817185189 is about 1798.4745500785.

The spelling of 5817185189 in words is "five billion, eight hundred seventeen million, one hundred eighty-five thousand, one hundred eighty-nine".