Base | Representation |
---|---|
bin | 1011000000011100101000… |
… | …0001101011100110101011 |
3 | 1120211222011221202000201010 |
4 | 2300013022001223212223 |
5 | 3041241013422424321 |
6 | 41423420413555003 |
7 | 2356235403216063 |
oct | 260071201534653 |
9 | 46758157660633 |
10 | 12102312311211 |
11 | 394661a87a601 |
12 | 1435613aa5a63 |
13 | 69a321294cc5 |
14 | 2dba7db943a3 |
15 | 15ec2015e676 |
hex | b01ca06b9ab |
12102312311211 has 8 divisors (see below), whose sum is σ = 16377258451264. Its totient is φ = 7947787189320.
The previous prime is 12102312311209. The next prime is 12102312311279. The reversal of 12102312311211 is 11211321320121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12102312311211 - 21 = 12102312311209 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12102312311311) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30105254305 + ... + 30105254706.
It is an arithmetic number, because the mean of its divisors is an integer number (2047157306408).
Almost surely, 212102312311211 is an apocalyptic number.
12102312311211 is a deficient number, since it is larger than the sum of its proper divisors (4274946140053).
12102312311211 is an equidigital number, since it uses as much as digits as its factorization.
12102312311211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60210509081.
The product of its (nonzero) digits is 144, while the sum is 21.
Adding to 12102312311211 its reverse (11211321320121), we get a palindrome (23313633631332).
The spelling of 12102312311211 in words is "twelve trillion, one hundred two billion, three hundred twelve million, three hundred eleven thousand, two hundred eleven".
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