Base | Representation |
---|---|
bin | 10110100101000100… |
… | …01101111101001101 |
3 | 1011021210220111111220 |
4 | 23102202031331031 |
5 | 144311230320023 |
6 | 5322511033553 |
7 | 606253214523 |
oct | 132242157515 |
9 | 34253814456 |
10 | 12122120013 |
11 | 5160691203 |
12 | 242380b8b9 |
13 | 11b25516a3 |
14 | 82dd2a313 |
15 | 4ae3443e3 |
hex | 2d288df4d |
12122120013 has 8 divisors (see below), whose sum is σ = 16166160288. Its totient is φ = 8079746544.
The previous prime is 12122119951. The next prime is 12122120033. The reversal of 12122120013 is 31002122121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12122120013 - 214 = 12122103629 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12122119974 and 12122120001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12122120033) 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, 399631 + ... + 428892.
It is an arithmetic number, because the mean of its divisors is an integer number (2020770036).
Almost surely, 212122120013 is an apocalyptic number.
It is an amenable number.
12122120013 is a deficient number, since it is larger than the sum of its proper divisors (4044040275).
12122120013 is an equidigital number, since it uses as much as digits as its factorization.
12122120013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 833403.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 12122120013 its reverse (31002122121), we get a palindrome (43124242134).
The spelling of 12122120013 in words is "twelve billion, one hundred twenty-two million, one hundred twenty thousand, thirteen".
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