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); } }