da8eaa4b81e5039ea6d0bddd335feba3126104922e4ecb253ea0054d81e9f5b0cf238af8b83ae6dd49253e04f96a8efe84fc716b93a8aa71035e97bbb639db 151 B

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  1. 'use strict';
  2. const BN = require('bn.js');
  3. const p = new BN('2e1b162f326430f5ac6af10f96b2a8350e01675d22324c9f', 'hex');
  4. console.log(p.bitLength());