| Base | Representation |
|---|---|
| bin | 10111000111101001… |
| … | …10010110011101100 |
| 3 | 1012001000202012111100 |
| 4 | 23203310302303230 |
| 5 | 200410010432340 |
| 6 | 5411352323100 |
| 7 | 616404656325 |
| oct | 134364626354 |
| 9 | 35030665440 |
| 10 | 12412202220 |
| 11 | 529a401270 |
| 12 | 24a49a3490 |
| 13 | 122a689172 |
| 14 | 85a67b44c |
| 15 | 4c9a44830 |
| hex | 2e3d32cec |
12412202220 has 144 divisors (see below), whose sum is σ = 42398254080. Its totient is φ = 2911939200.
The previous prime is 12412202213. The next prime is 12412202227. The reversal of 12412202220 is 2220221421.
12412202220 is a `hidden beast` number, since 1 + 241 + 2 + 202 + 220 = 666.
It is an interprime number because it is at equal distance from previous prime (12412202213) and next prime (12412202227).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 12412202193 and 12412202202.
It is not an unprimeable number, because it can be changed into a prime (12412202227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39730 + ... + 162489.
It is an arithmetic number, because the mean of its divisors is an integer number (294432320).
Almost surely, 212412202220 is an apocalyptic number.
12412202220 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 12412202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21199127040).
12412202220 is an abundant number, since it is smaller than the sum of its proper divisors (29986051860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12412202220 is a wasteful number, since it uses less digits than its factorization.
12412202220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 202276 (or 202271 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 12412202220 its reverse (2220221421), we get a palindrome (14632423641).
The spelling of 12412202220 in words is "twelve billion, four hundred twelve million, two hundred two thousand, two hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •