verilog - Get digits of a number dividing it by powers of 2 -

hi im triying every digit number thing easy if cant divide 10 thing i'm working on verilog hdl there way it?

heres original code dividing number 10

`timescale 1ns / 1ps `default_nettype none module divisorde10(//16 digitos     input wire [31:0]suma_total,       input wire en,      output wire[3:0] digito      ); reg [3:0]digit; reg [31:0]num; reg [31:0]resul;  @(*) begin     num=suma_total;     while(num!=0)begin                       resul=num/10;             digit=num-resul*10;             if(en)begin                 num=resul;             end     end end assign digito=digit; endmodule 

and here's error:

line 16: operator / supported when second operand power of 2.