A. 0x39A7F8 to binary
0x39A7F8
0011 1001 1010 0111 1111 1000
B. binary 1100100101111011 to hexadecimal
1100100101111011
0x00C97B
C. 0xD5E4C to binary
0xD5E4C
11010101111001001010
D. binary 1001101110011110110101 to hexadecimal
1001101110011110110101
0x26E7B5
注意从二进制转16进制需要从后往前转,避免位数错误