Base | Representation |
---|---|
bin | 10110101110010110… |
… | …10110100101001111 |
3 | 1011111020110211101102 |
4 | 23113023112211033 |
5 | 144441200341421 |
6 | 5334332333315 |
7 | 611220251300 |
oct | 132713264517 |
9 | 34436424342 |
10 | 12200012111 |
11 | 51a0652741 |
12 | 244591423b |
13 | 11c57244a1 |
14 | 83a4047a7 |
15 | 4b60cd60b |
hex | 2d72d694f |
12200012111 has 48 divisors (see below), whose sum is σ = 14856397920. Its totient is φ = 9980974080.
The previous prime is 12200012063. The next prime is 12200012129. The reversal of 12200012111 is 11121000221.
It is not a de Polignac number, because 12200012111 - 26 = 12200012047 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12200012092 and 12200012101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12200012131) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31362305 + ... + 31362693.
It is an arithmetic number, because the mean of its divisors is an integer number (309508290).
Almost surely, 212200012111 is an apocalyptic number.
12200012111 is a deficient number, since it is larger than the sum of its proper divisors (2656385809).
12200012111 is a wasteful number, since it uses less digits than its factorization.
12200012111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 744 (or 737 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 12200012111 its reverse (11121000221), we get a palindrome (23321012332).
The spelling of 12200012111 in words is "twelve billion, two hundred million, twelve thousand, one hundred eleven".
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