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8230863209 is a prime number
BaseRepresentation
bin1111010101001100…
…10000000101101001
3210020121211011200112
413222212100011221
5113324100110314
63440423544105
7410653116512
oct75246200551
923217734615
108230863209
113544120398
1217185bb035
13a1231527a
14581201a09
153328ee43e
hex1ea990169

8230863209 has 2 divisors, whose sum is σ = 8230863210. Its totient is φ = 8230863208.

The previous prime is 8230863097. The next prime is 8230863233. The reversal of 8230863209 is 9023680328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7178833984 + 1052029225 = 84728^2 + 32435^2 .

It is a cyclic number.

It is not a de Polignac number, because 8230863209 - 212 = 8230859113 is a prime.

It is not a weakly prime, because it can be changed into another prime (8230863239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4115431604 + 4115431605.

It is an arithmetic number, because the mean of its divisors is an integer number (4115431605).

Almost surely, 28230863209 is an apocalyptic number.

It is an amenable number.

8230863209 is a deficient number, since it is larger than the sum of its proper divisors (1).

8230863209 is an equidigital number, since it uses as much as digits as its factorization.

8230863209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 8230863209 is about 90724.1048950057. The cubic root of 8230863209 is about 2019.0564499152.

The spelling of 8230863209 in words is "eight billion, two hundred thirty million, eight hundred sixty-three thousand, two hundred nine".