public BigInteger pow (int exponent)

Returns a BigInteger whose value is `(this`

.
Note that ^{exponent})` exponent`

is an integer rather than a BigInteger.

`exponent` | exponent to which this BigInteger is to be raised. |

`this`

^{exponent}

`ArithmeticException` | ` exponent` is negative. (This would
cause the operation to yield a non-integer value.) |

Diagram: BigInteger, BigDecimal