Base | Representation |
---|---|
bin | 10110101111110011… |
… | …11101100001011001 |
3 | 1011112002110120111110 |
4 | 23113321331201121 |
5 | 200002312331413 |
6 | 5335450250533 |
7 | 611426146530 |
oct | 132771754131 |
9 | 34462416443 |
10 | 12212230233 |
11 | 51a7538365 |
12 | 2449a26a49 |
13 | 11c8111848 |
14 | 83bca5317 |
15 | 4b71e38c3 |
hex | 2d7e7d859 |
12212230233 has 8 divisors (see below), whose sum is σ = 18609112768. Its totient is φ = 6978417264.
The previous prime is 12212230229. The next prime is 12212230301. The reversal of 12212230233 is 33203221221.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12212230233 - 22 = 12212230229 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 581534773 = 12212230233 / (1 + 2 + 2 + 1 + 2 + 2 + 3 + 0 + 2 + 3 + 3).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12212230033) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290767366 + ... + 290767407.
It is an arithmetic number, because the mean of its divisors is an integer number (2326139096).
Almost surely, 212212230233 is an apocalyptic number.
It is an amenable number.
12212230233 is a deficient number, since it is larger than the sum of its proper divisors (6396882535).
12212230233 is an equidigital number, since it uses as much as digits as its factorization.
12212230233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 581534783.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 12212230233 its reverse (33203221221), we get a palindrome (45415451454).
The spelling of 12212230233 in words is "twelve billion, two hundred twelve million, two hundred thirty thousand, two hundred thirty-three".
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