Base | Representation |
---|---|
bin | 111000100100000000110001… |
… | …111111011001110110110001 |
3 | 1012121210201211120121211200222 |
4 | 320210000301333121312301 |
5 | 230101232411142121011 |
6 | 2241025115510222425 |
7 | 103253463066251213 |
oct | 7044006177316661 |
9 | 1177721746554628 |
10 | 248765344488881 |
11 | 7229a876734970 |
12 | 23a98482654a15 |
13 | a8a661867a05c |
14 | 456044226c5b3 |
15 | 1db5e5682dddb |
hex | e24031fd9db1 |
248765344488881 has 4 divisors (see below), whose sum is σ = 271380375806064. Its totient is φ = 226150313171700.
The previous prime is 248765344488863. The next prime is 248765344488883. The reversal of 248765344488881 is 188884443567842.
248765344488881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 248765344488881 - 234 = 248748164619697 is a prime.
It is a super-2 number, since 2×2487653444888812 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 248765344488796 and 248765344488805.
It is not an unprimeable number, because it can be changed into a prime (248765344488883) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11307515658575 + ... + 11307515658596.
It is an arithmetic number, because the mean of its divisors is an integer number (67845093951516).
Almost surely, 2248765344488881 is an apocalyptic number.
It is an amenable number.
248765344488881 is a deficient number, since it is larger than the sum of its proper divisors (22615031317183).
248765344488881 is a wasteful number, since it uses less digits than its factorization.
248765344488881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22615031317182.
The product of its digits is 10569646080, while the sum is 80.
The spelling of 248765344488881 in words is "two hundred forty-eight trillion, seven hundred sixty-five billion, three hundred forty-four million, four hundred eighty-eight thousand, eight hundred eighty-one".
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