Large numbers to string in JavaScript

Question

When I do the following:

alert((2053716830872415770228778006271971120334843128349550587141047275840274143041).toString());

I get the "2.053716830872415e+75" exponential notation. I want to alert the number as is. I tried toFixed(), toPrecision() and toLocaleString() and they output the same thing.

How can I accomplish this? Note: the number is a variable, so I cannot alert("208..");

score 6 · Accepted Answer · answered Feb 13 '11 at 15:58

6

Javascript uses 64-bit floating point numbers.
It is impossible to precisely store your value in a Javascript number.

Instead, you should use a BigInteger library.

answered Feb 13 '11 at 15:58

SLaks

868,454
176
1,908
1,964

Are there any arbitrary-precision arithmetic JavaScript libraries out there? – SuprDewd Feb 13 '11 at 16:00
Of those three libraries, the last one definitely seems the most "modern" in terms of implementation style. – Pointy Feb 13 '11 at 16:20

Large numbers to string in JavaScript

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