Base | Representation |
---|---|
bin | 10110011100100010… |
… | …00011000011000100 |
3 | 1011002211011100001221 |
4 | 23032101003003010 |
5 | 144134412310040 |
6 | 5311432130124 |
7 | 604423434163 |
oct | 131621030304 |
9 | 34084140057 |
10 | 12050510020 |
11 | 512422059a |
12 | 2403836944 |
13 | 11a076b103 |
14 | 8246093da |
15 | 4a7deb74a |
hex | 2ce4430c4 |
12050510020 has 48 divisors (see below), whose sum is σ = 26051010048. Its totient is φ = 4678922880.
The previous prime is 12050510009. The next prime is 12050510077. The reversal of 12050510020 is 2001505021.
It is a junction number, because it is equal to n+sod(n) for n = 12050509976 and 12050510003.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300049 + ... + 337831.
It is an arithmetic number, because the mean of its divisors is an integer number (542729376).
Almost surely, 212050510020 is an apocalyptic number.
12050510020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12050510020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13025505024).
12050510020 is an abundant number, since it is smaller than the sum of its proper divisors (14000500028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12050510020 is a wasteful number, since it uses less digits than its factorization.
12050510020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38260 (or 38258 counting only the distinct ones).
The product of its (nonzero) digits is 100, while the sum is 16.
The spelling of 12050510020 in words is "twelve billion, fifty million, five hundred ten thousand, twenty".
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