Base | Representation |
---|---|
bin | 10110100101000110… |
… | …11100011001110011 |
3 | 1011021211111211021120 |
4 | 23102203130121303 |
5 | 144311321110311 |
6 | 5322521553323 |
7 | 606256023360 |
oct | 132243343163 |
9 | 34254454246 |
10 | 12122441331 |
11 | 5160890660 |
12 | 2423945843 |
13 | 11b2634a10 |
14 | 82ddb1467 |
15 | 4ae3a9706 |
hex | 2d28dc673 |
12122441331 has 32 divisors (see below), whose sum is σ = 21701718528. Its totient is φ = 5812957440.
The previous prime is 12122441297. The next prime is 12122441333. The reversal of 12122441331 is 13314422121.
It is not a de Polignac number, because 12122441331 - 26 = 12122441267 is a prime.
It is a super-2 number, since 2×121224413312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12122441333) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2015386 + ... + 2021391.
It is an arithmetic number, because the mean of its divisors is an integer number (678178704).
Almost surely, 212122441331 is an apocalyptic number.
12122441331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12122441331 is a deficient number, since it is larger than the sum of its proper divisors (9579277197).
12122441331 is a wasteful number, since it uses less digits than its factorization.
12122441331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4036811.
The product of its digits is 1152, while the sum is 24.
Adding to 12122441331 its reverse (13314422121), we get a palindrome (25436863452).
The spelling of 12122441331 in words is "twelve billion, one hundred twenty-two million, four hundred forty-one thousand, three hundred thirty-one".
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