Base | Representation |
---|---|
bin | 10110010111101101… |
… | …00101110101110011 |
3 | 1010222222222020111101 |
4 | 23023312211311303 |
5 | 144044031121321 |
6 | 5303424225231 |
7 | 603422326120 |
oct | 131366456563 |
9 | 33888866441 |
10 | 12010020211 |
11 | 5103385a42 |
12 | 23b216b217 |
13 | 1195262647 |
14 | 81d0a9747 |
15 | 4a459e791 |
hex | 2cbda5d73 |
12010020211 has 16 divisors (see below), whose sum is σ = 13951367424. Its totient is φ = 10125539424.
The previous prime is 12010020181. The next prime is 12010020223. The reversal of 12010020211 is 11202001021.
It is not a de Polignac number, because 12010020211 - 213 = 12010012019 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12010024211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301581 + ... + 339073.
It is an arithmetic number, because the mean of its divisors is an integer number (871960464).
Almost surely, 212010020211 is an apocalyptic number.
12010020211 is a deficient number, since it is larger than the sum of its proper divisors (1941347213).
12010020211 is an equidigital number, since it uses as much as digits as its factorization.
12010020211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38250.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 12010020211 its reverse (11202001021), we get a palindrome (23212021232).
The spelling of 12010020211 in words is "twelve billion, ten million, twenty thousand, two hundred eleven".
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