Base | Representation |
---|---|
bin | 10110010110111001… |
… | …00111001111100011 |
3 | 1010222112011020221011 |
4 | 23023130213033203 |
5 | 144040310211321 |
6 | 5303022241351 |
7 | 603310413646 |
oct | 131334471743 |
9 | 33875136834 |
10 | 12003210211 |
11 | 50aa554543 |
12 | 23aba26257 |
13 | 1193a19a65 |
14 | 81c215a5d |
15 | 4a3ba6ae1 |
hex | 2cb7273e3 |
12003210211 has 4 divisors (see below), whose sum is σ = 12003585624. Its totient is φ = 12002834800.
The previous prime is 12003210209. The next prime is 12003210221. The reversal of 12003210211 is 11201230021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11201230021 = 47 ⋅238324043.
It is a cyclic number.
It is not a de Polignac number, because 12003210211 - 21 = 12003210209 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12003210191 and 12003210200.
It is not an unprimeable number, because it can be changed into a prime (12003210221) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134770 + ... + 205351.
It is an arithmetic number, because the mean of its divisors is an integer number (3000896406).
Almost surely, 212003210211 is an apocalyptic number.
12003210211 is a deficient number, since it is larger than the sum of its proper divisors (375413).
12003210211 is an equidigital number, since it uses as much as digits as its factorization.
12003210211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 375412.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 12003210211 its reverse (11201230021), we get a palindrome (23204440232).
The spelling of 12003210211 in words is "twelve billion, three million, two hundred ten thousand, two hundred eleven".
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