擅长:python、mysql、java
<p>转换为字符串需要很长时间:</p>
<pre><code>In [68]: %time x = (87459837581209463928*23745987364728194857*27385647593847564738*10293769154925693856*12345678901234567891)**3000
CPU times: user 0.00 s, sys: 0.00 s, total: 0.00 s
Wall time: 0.00 s
In [69]: %time xs = str(x)
CPU times: user 1.98 s, sys: 0.00 s, total: 1.98 s
Wall time: 1.98 s
In [71]: %time print xs
CPU times: user 0.01 s, sys: 0.00 s, total: 0.01 s
Wall time: 0.04 s
</code></pre>
<p>但对于拥有数十万位数字的数字来说,这并不奇怪。在</p>
<p><em>编辑</em></p>
<p>与其他答案相反,写入文件不需要太多时间:</p>
^{pr2}$