Base | Representation |
---|---|
bin | 1011001000000000100101… |
… | …0100100000100100010111 |
3 | 1121022101111200001111012101 |
4 | 2302000021110200210113 |
5 | 3100403043121331411 |
6 | 42003223351502531 |
7 | 2401514615626114 |
oct | 262001124404427 |
9 | 47271450044171 |
10 | 12232223230231 |
11 | 3996725135894 |
12 | 145682a987a47 |
13 | 6a9655879ca4 |
14 | 3040854b190b |
15 | 1632c52788c1 |
hex | b2009520917 |
12232223230231 has 4 divisors (see below), whose sum is σ = 12232230637000. Its totient is φ = 12232215823464.
The previous prime is 12232223230147. The next prime is 12232223230261. The reversal of 12232223230231 is 13203232223221.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 12232223230231 - 215 = 12232223197463 is a prime.
It is a super-2 number, since 2×122322232302312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12232223230231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12232223230261) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25120 + ... + 4946218.
It is an arithmetic number, because the mean of its divisors is an integer number (3058057659250).
Almost surely, 212232223230231 is an apocalyptic number.
12232223230231 is a deficient number, since it is larger than the sum of its proper divisors (7406769).
12232223230231 is an equidigital number, since it uses as much as digits as its factorization.
12232223230231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7406768.
The product of its (nonzero) digits is 10368, while the sum is 28.
Adding to 12232223230231 its reverse (13203232223221), we get a palindrome (25435455453452).
The spelling of 12232223230231 in words is "twelve trillion, two hundred thirty-two billion, two hundred twenty-three million, two hundred thirty thousand, two hundred thirty-one".
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