text: let one = [  "","one ", "two ", "three ", "four ", 
                   "five ", "six ", "seven ", "eight ", 
                   "nine ","ten ", "eleven ", "twelve ", 
                   "thirteen ", "fourteen ", "fifteen ", 
                   "sixteen ", "seventeen ", "eighteen ", 
                   "nineteen "
      ];         
      let ten = [ "","","twenty", "thirty", "forty", 
                   "fifty", "sixty", "seventy", "eighty", 
                   "ninety"];
  module.exports = function toReadable (number) {
  number = String(number).split('');
      let str=''; 
      if (number[0]==0) return "zero";
      if (number.length==3) 
          { 
              str+=one[number[0]]+'hundred' + ' ';
              number.shift();
          }
      if (number.length==2 && number[0]>=2 )
          { 
              str+=ten[number[0]]+' ';
              number.shift(); 
          }
      else if (number.length==2)
          { 
              var g=number[0]+number[1];
              str+=one[Number(g)];
              return str.trim(); 
          }
      if (number[0]!=0)str+=one[number[0]];
      return str.trim();  
  }
  