Base | Representation |
---|---|
bin | 10110011010000101… |
… | …11000101001111100 |
3 | 1011001101121100100110 |
4 | 23031002320221330 |
5 | 144114141121340 |
6 | 5305421030020 |
7 | 604054325151 |
oct | 131502705174 |
9 | 34041540313 |
10 | 12030020220 |
11 | 51136a6279 |
12 | 23b89b5310 |
13 | 1199445a7a |
14 | 8219d4228 |
15 | 4a6200680 |
hex | 2cd0b8a7c |
12030020220 has 24 divisors (see below), whose sum is σ = 33684056784. Its totient is φ = 3208005376.
The previous prime is 12030020213. The next prime is 12030020251. The reversal of 12030020220 is 2202003021.
12030020220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 12030020196 and 12030020205.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100250109 + ... + 100250228.
It is an arithmetic number, because the mean of its divisors is an integer number (1403502366).
Almost surely, 212030020220 is an apocalyptic number.
12030020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12030020220 is an abundant number, since it is smaller than the sum of its proper divisors (21654036564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12030020220 is a wasteful number, since it uses less digits than its factorization.
12030020220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 200500349 (or 200500347 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
Adding to 12030020220 its reverse (2202003021), we get a palindrome (14232023241).
The spelling of 12030020220 in words is "twelve billion, thirty million, twenty thousand, two hundred twenty".
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