Base | Representation |
---|---|
bin | 10110110011100111… |
… | …01100001111011101 |
3 | 1011121022111210212111 |
4 | 23121303230033131 |
5 | 200034000003041 |
6 | 5342550234021 |
7 | 612264324100 |
oct | 133163541735 |
9 | 34538453774 |
10 | 12244141021 |
11 | 5213553412 |
12 | 2458655911 |
13 | 1201905478 |
14 | 842210737 |
15 | 4b9de8981 |
hex | 2d9cec3dd |
12244141021 has 24 divisors (see below), whose sum is σ = 14837729280. Its totient is φ = 10063116000.
The previous prime is 12244141009. The next prime is 12244141031. The reversal of 12244141021 is 12014144221.
It is not a de Polignac number, because 12244141021 - 233 = 3654206429 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12244140983 and 12244141001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12244141031) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128596 + ... + 202546.
It is an arithmetic number, because the mean of its divisors is an integer number (618238720).
Almost surely, 212244141021 is an apocalyptic number.
It is an amenable number.
12244141021 is a deficient number, since it is larger than the sum of its proper divisors (2593588259).
12244141021 is a wasteful number, since it uses less digits than its factorization.
12244141021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74105 (or 74098 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 22.
Adding to 12244141021 its reverse (12014144221), we get a palindrome (24258285242).
The spelling of 12244141021 in words is "twelve billion, two hundred forty-four million, one hundred forty-one thousand, twenty-one".
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