The equation of the sphere is given by \( x^2 + y^2 + z^2 = 169 \). This can be rewritten in the standard form \( (x - 0)^2 + (y - 0)^2 + (z - 0)^2 = 13^2 \).
From this, we can see that the center of the sphere is at the point \( (0, 0, 0) \) and the radius is
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