Base | Representation |
---|---|
bin | 1011000010000100001110… |
… | …0000011110100110011001 |
3 | 1120221121221221020201210011 |
4 | 2300201003200132212121 |
5 | 3042214441234400241 |
6 | 41444300022121521 |
7 | 2361241454513341 |
oct | 260410340364631 |
9 | 46847857221704 |
10 | 12130120231321 |
11 | 395739a703564 |
12 | 143aa948802a1 |
13 | 69cb3346c6c1 |
14 | 2dd15b023d21 |
15 | 1607eb5d3281 |
hex | b084381e999 |
12130120231321 has 8 divisors (see below), whose sum is σ = 12482927192000. Its totient is φ = 11778627264048.
The previous prime is 12130120231297. The next prime is 12130120231357. The reversal of 12130120231321 is 12313202103121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12130120231321 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12130120231292 and 12130120231301.
It is not an unprimeable number, because it can be changed into a prime (12130120238321) 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, 328479621 + ... + 328516546.
It is an arithmetic number, because the mean of its divisors is an integer number (1560365899000).
Almost surely, 212130120231321 is an apocalyptic number.
It is an amenable number.
12130120231321 is a deficient number, since it is larger than the sum of its proper divisors (352806960679).
12130120231321 is an equidigital number, since it uses as much as digits as its factorization.
12130120231321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 656996703.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 12130120231321 its reverse (12313202103121), we get a palindrome (24443322334442).
The spelling of 12130120231321 in words is "twelve trillion, one hundred thirty billion, one hundred twenty million, two hundred thirty-one thousand, three hundred twenty-one".
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