import java.math.BigInteger;
public class Main {
public static void main(String[] argv) throws Exception {
// Create via a string
BigInteger bi1 = new BigInteger("1234567890123456890");
// Create via a long
BigInteger bi2 = BigInteger.valueOf(123L);
bi1 = bi1.add(bi2);
bi1 = bi1.multiply(bi2);
bi1 = bi1.subtract(bi2);
bi1 = bi1.divide(bi2);
bi1 = bi1.negate();
int exponent = 2;
bi1 = bi1.pow(exponent);
}
}
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