Base | Representation |
---|---|
bin | 1011000110110010010100… |
… | …0001010110010111101011 |
3 | 1121020101021102211222102212 |
4 | 2301230211001112113223 |
5 | 3100032031030231131 |
6 | 41545430500315335 |
7 | 2400142150016144 |
oct | 261544501262753 |
9 | 47211242758385 |
10 | 12211213133291 |
11 | 3988823517007 |
12 | 14527466a2b4b |
13 | 6a7687b3b473 |
14 | 303050db0acb |
15 | 1629959d4a2b |
hex | b1b250565eb |
12211213133291 has 16 divisors (see below), whose sum is σ = 12303804139200. Its totient is φ = 12118768798080.
The previous prime is 12211213133261. The next prime is 12211213133303. The reversal of 12211213133291 is 19233131211221.
It is a happy number.
12211213133291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 12211213133291 - 26 = 12211213133227 is a prime.
It is a super-2 number, since 2×122112131332912 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12211213133221) 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, 1191681530 + ... + 1191691776.
It is an arithmetic number, because the mean of its divisors is an integer number (768987758700).
Almost surely, 212211213133291 is an apocalyptic number.
12211213133291 is a deficient number, since it is larger than the sum of its proper divisors (92591005909).
12211213133291 is a wasteful number, since it uses less digits than its factorization.
12211213133291 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16534.
The product of its digits is 3888, while the sum is 32.
The spelling of 12211213133291 in words is "twelve trillion, two hundred eleven billion, two hundred thirteen million, one hundred thirty-three thousand, two hundred ninety-one".
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