设I 是一个n 位十进制整数。如果将I 划分为k 段，则可得到k 个整数。这k 个整数的乘积称为I 的一个k 乘积。-Let I be an n-bit decimal integer. If I is partitioned into k segments, then k integers are obtained. The product of k integers is called a k product of I.