Base | Representation |
---|---|
bin | 10110101110011110… |
… | …01101001010100001 |
3 | 1011111022101010211220 |
4 | 23113033031022201 |
5 | 144441430201423 |
6 | 5334410125253 |
7 | 611231656020 |
oct | 132717151241 |
9 | 34438333756 |
10 | 12201022113 |
11 | 51a1182555 |
12 | 2446120829 |
13 | 11c59b9117 |
14 | 83a5c88b7 |
15 | 4b622c9e3 |
hex | 2d73cd2a1 |
12201022113 has 16 divisors (see below), whose sum is σ = 18601155456. Its totient is φ = 6968592000.
The previous prime is 12201022091. The next prime is 12201022117. The reversal of 12201022113 is 31122010221.
It is not a de Polignac number, because 12201022113 - 25 = 12201022081 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12201022092 and 12201022101.
It is not an unprimeable number, because it can be changed into a prime (12201022117) 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, 98388 + ... + 184613.
It is an arithmetic number, because the mean of its divisors is an integer number (1162572216).
Almost surely, 212201022113 is an apocalyptic number.
It is an amenable number.
12201022113 is a deficient number, since it is larger than the sum of its proper divisors (6400133343).
12201022113 is a wasteful number, since it uses less digits than its factorization.
12201022113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 285064.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 12201022113 its reverse (31122010221), we get a palindrome (43323032334).
The spelling of 12201022113 in words is "twelve billion, two hundred one million, twenty-two thousand, one hundred thirteen".
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