Base | Representation |
---|---|
bin | 10110111010100001… |
… | …10010101011100100 |
3 | 1011202100120111022112 |
4 | 23131100302223210 |
5 | 200143314214340 |
6 | 5352420420152 |
7 | 613600064213 |
oct | 133520625344 |
9 | 34670514275 |
10 | 12302101220 |
11 | 5243240802 |
12 | 2473b47658 |
13 | 1210919b46 |
14 | 849bbb07a |
15 | 4c0047065 |
hex | 2dd432ae4 |
12302101220 has 12 divisors (see below), whose sum is σ = 25834412604. Its totient is φ = 4920840480.
The previous prime is 12302101193. The next prime is 12302101243. The reversal of 12302101220 is 2210120321.
It is a happy number.
12302101220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 1915637824 + 10386463396 = 43768^2 + 101914^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12302101195 and 12302101204.
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 3 ways as a sum of consecutive naturals, for example, 307552511 + ... + 307552550.
It is an arithmetic number, because the mean of its divisors is an integer number (2152867717).
Almost surely, 212302101220 is an apocalyptic number.
12302101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12302101220 is an abundant number, since it is smaller than the sum of its proper divisors (13532311384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12302101220 is a wasteful number, since it uses less digits than its factorization.
12302101220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 615105070 (or 615105068 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 12302101220 its reverse (2210120321), we get a palindrome (14512221541).
The spelling of 12302101220 in words is "twelve billion, three hundred two million, one hundred one thousand, two hundred twenty".
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