Base | Representation |
---|---|
bin | 111011111101111… |
… | …1110100000000001 |
3 | 12012020022220211210 |
4 | 1313323332200001 |
5 | 13110111224301 |
6 | 531400400333 |
7 | 100602340650 |
oct | 16773764001 |
9 | 5166286753 |
10 | 2012211201 |
11 | 942928070 |
12 | 481a760a9 |
13 | 260b61520 |
14 | 151357197 |
15 | bb9c5ad6 |
hex | 77efe801 |
2012211201 has 128 divisors (see below), whose sum is σ = 3733180416. Its totient is φ = 930631680.
The previous prime is 2012211181. The next prime is 2012211203. The reversal of 2012211201 is 1021122102.
It is not a de Polignac number, because 2012211201 - 29 = 2012210689 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2012211203) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14687605 + ... + 14687741.
It is an arithmetic number, because the mean of its divisors is an integer number (29165472).
Almost surely, 22012211201 is an apocalyptic number.
2012211201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
2012211201 is a deficient number, since it is larger than the sum of its proper divisors (1720969215).
2012211201 is a wasteful number, since it uses less digits than its factorization.
2012211201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 311.
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 2012211201 is about 44857.6771690198. The cubic root of 2012211201 is about 1262.4800404125.
Adding to 2012211201 its reverse (1021122102), we get a palindrome (3033333303).
It can be divided in two parts, 20 and 12211201, that added together give a palindrome (12211221).
The spelling of 2012211201 in words is "two billion, twelve million, two hundred eleven thousand, two hundred one".
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