Base | Representation |
---|---|
bin | 10111001000110110… |
… | …11001111100010011 |
3 | 1012001201210102221121 |
4 | 23210123121330103 |
5 | 200420103331422 |
6 | 5412353303111 |
7 | 616560004003 |
oct | 134433317423 |
9 | 35051712847 |
10 | 12422323987 |
11 | 52a5094967 |
12 | 24a8264a97 |
13 | 122c7c1288 |
14 | 85bb54003 |
15 | 4ca8938c7 |
hex | 2e46d9f13 |
12422323987 has 8 divisors (see below), whose sum is σ = 12474359856. Its totient is φ = 12370317312.
The previous prime is 12422323981. The next prime is 12422324009. The reversal of 12422323987 is 78932322421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12422323987 - 219 = 12421799699 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12422323981) 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 7 ways as a sum of consecutive naturals, for example, 1387708 + ... + 1396630.
It is an arithmetic number, because the mean of its divisors is an integer number (1559294982).
Almost surely, 212422323987 is an apocalyptic number.
12422323987 is a deficient number, since it is larger than the sum of its proper divisors (52035869).
12422323987 is an equidigital number, since it uses as much as digits as its factorization.
12422323987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14597.
The product of its digits is 290304, while the sum is 43.
The spelling of 12422323987 in words is "twelve billion, four hundred twenty-two million, three hundred twenty-three thousand, nine hundred eighty-seven".
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