Base | Representation |
---|---|
bin | 10110100011101001… |
… | …10000010010100100 |
3 | 1011020222111000002202 |
4 | 23101310300102210 |
5 | 144300202431040 |
6 | 5321403354032 |
7 | 606050006300 |
oct | 132164602244 |
9 | 34228430082 |
10 | 12110202020 |
11 | 5154991024 |
12 | 241b822918 |
13 | 11acc3ab17 |
14 | 82c506d00 |
15 | 4ad28d015 |
hex | 2d1d304a4 |
12110202020 has 36 divisors (see below), whose sum is σ = 29583495900. Its totient is φ = 4152068928.
The previous prime is 12110202019. The next prime is 12110202037. The reversal of 12110202020 is 2020201121.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 9135154084 + 2975047936 = 95578^2 + 54544^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12110201992 and 12110202010.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6177695 + ... + 6179654.
It is an arithmetic number, because the mean of its divisors is an integer number (821763775).
Almost surely, 212110202020 is an apocalyptic number.
12110202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12110202020 is an abundant number, since it is smaller than the sum of its proper divisors (17473293880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12110202020 is a wasteful number, since it uses less digits than its factorization.
12110202020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12357372 (or 12357363 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 12110202020 its reverse (2020201121), we get a palindrome (14130403141).
The spelling of 12110202020 in words is "twelve billion, one hundred ten million, two hundred two thousand, twenty".
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