Base | Representation |
---|---|
bin | 10110101111000100… |
… | …01111101100101001 |
3 | 1011111122202201100220 |
4 | 23113202033230221 |
5 | 144444214410400 |
6 | 5335105120253 |
7 | 611322254250 |
oct | 132742175451 |
9 | 34448681326 |
10 | 12206013225 |
11 | 51a3a8143a |
12 | 2447929089 |
13 | 11c6a45b43 |
14 | 83b127797 |
15 | 4b68b67a0 |
hex | 2d788fb29 |
12206013225 has 48 divisors (see below), whose sum is σ = 23077725312. Its totient is φ = 5576463360.
The previous prime is 12206013217. The next prime is 12206013229. The reversal of 12206013225 is 52231060221.
It is not a de Polignac number, because 12206013225 - 23 = 12206013217 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12206013195 and 12206013204.
It is not an unprimeable number, because it can be changed into a prime (12206013229) 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, 977119 + ... + 989531.
It is an arithmetic number, because the mean of its divisors is an integer number (480785944).
Almost surely, 212206013225 is an apocalyptic number.
12206013225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12206013225 is a deficient number, since it is larger than the sum of its proper divisors (10871712087).
12206013225 is a wasteful number, since it uses less digits than its factorization.
12206013225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14306 (or 14301 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 12206013225 its reverse (52231060221), we get a palindrome (64437073446).
The spelling of 12206013225 in words is "twelve billion, two hundred six million, thirteen thousand, two hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.061 sec. • engine limits •