## toBigNumber Convert a given number or hexadecimal string to a BigNumber ### Usage ```JavaScript TronWeb.toBigNumber(value); ``` ### Parameters | Parameter | Description | Data Type | | --------- | -------------------------------------- | ---------------- | | value | Number or String in hexadecimal format | String or Number | ### Returns BigNumber - BigNumber instance ### Example ```JavaScript > const value = TronWeb.toBigNumber('200000000000000000000001'); > 2.0000000000000002e+23 > console.log(value.toString(10)) > 200000000000000000000001 ```