Base | Representation |
---|---|
bin | 111111100001000… |
… | …0000100110110001 |
3 | 12111112021212100000 |
4 | 1333002000212301 |
5 | 13331043430301 |
6 | 551251420213 |
7 | 103546116606 |
oct | 17702004661 |
9 | 5445255300 |
10 | 2131233201 |
11 | 9a4031059 |
12 | 4b58b4669 |
13 | 27c705246 |
14 | 16309a6ad |
15 | c7186786 |
hex | 7f0809b1 |
2131233201 has 24 divisors (see below), whose sum is σ = 3202230304. Its totient is φ = 1416476160.
The previous prime is 2131233157. The next prime is 2131233241. The reversal of 2131233201 is 1023321312.
2131233201 is a `hidden beast` number, since 21 + 312 + 332 + 0 + 1 = 666.
It is not a de Polignac number, because 2131233201 - 211 = 2131231153 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2131233241) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67185 + ... + 93681.
Almost surely, 22131233201 is an apocalyptic number.
It is an amenable number.
2131233201 is a deficient number, since it is larger than the sum of its proper divisors (1070997103).
2131233201 is an equidigital number, since it uses as much as digits as its factorization.
2131233201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26843 (or 26831 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 2131233201 is about 46165.2813378192. The cubic root of 2131233201 is about 1286.8966125565.
Adding to 2131233201 its reverse (1023321312), we get a palindrome (3154554513).
The spelling of 2131233201 in words is "two billion, one hundred thirty-one million, two hundred thirty-three thousand, two hundred one".
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