Base | Representation |
---|---|
bin | 10111001011100011… |
… | …00100110011010011 |
3 | 1012010022022002001012 |
4 | 23211301210303103 |
5 | 200441344202401 |
6 | 5414521401135 |
7 | 620253004520 |
oct | 134561446323 |
9 | 35108262035 |
10 | 12444912851 |
11 | 5306913248 |
12 | 24b39391ab |
13 | 123439cb77 |
14 | 860b54147 |
15 | 4cc8568bb |
hex | 2e5c64cd3 |
12444912851 has 8 divisors (see below), whose sum is σ = 14224561920. Its totient is φ = 10665714888.
The previous prime is 12444912803. The next prime is 12444912853. The reversal of 12444912851 is 15821944421.
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 12444912851 - 26 = 12444912787 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12444912799 and 12444912808.
It is not an unprimeable number, because it can be changed into a prime (12444912853) 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, 51431 + ... + 165936.
It is an arithmetic number, because the mean of its divisors is an integer number (1778070240).
Almost surely, 212444912851 is an apocalyptic number.
12444912851 is a deficient number, since it is larger than the sum of its proper divisors (1779649069).
12444912851 is an equidigital number, since it uses as much as digits as its factorization.
12444912851 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 225553.
The product of its digits is 92160, while the sum is 41.
The spelling of 12444912851 in words is "twelve billion, four hundred forty-four million, nine hundred twelve thousand, eight hundred fifty-one".
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