Base | Representation |
---|---|
bin | 101111100001000111011… |
… | …0001101100001111101010 |
3 | 212010022222220011200101000 |
4 | 1133002032301230033222 |
5 | 1323444431343241444 |
6 | 21520103320535430 |
7 | 1242554652236232 |
oct | 137021661541752 |
9 | 25108886150330 |
10 | 6530745680874 |
11 | 2098745753a68 |
12 | 895851621576 |
13 | 384b011b753c |
14 | 1881384c6cc2 |
15 | b4d2dddc469 |
hex | 5f08ec6c3ea |
6530745680874 has 32 divisors (see below), whose sum is σ = 14513421565440. Its totient is φ = 2176817219136.
The previous prime is 6530745680869. The next prime is 6530745680923. The reversal of 6530745680874 is 4780865470356.
6530745680874 is a `hidden beast` number, since 6 + 5 + 30 + 7 + 456 + 80 + 8 + 74 = 666.
It is a super-3 number, since 3×65307456808743 (a number of 39 digits) contains 333 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1506927 + ... + 3915650.
It is an arithmetic number, because the mean of its divisors is an integer number (453544423920).
Almost surely, 26530745680874 is an apocalyptic number.
6530745680874 is an abundant number, since it is smaller than the sum of its proper divisors (7982675884566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6530745680874 is a wasteful number, since it uses less digits than its factorization.
6530745680874 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5444891 (or 5444885 counting only the distinct ones).
The product of its (nonzero) digits is 135475200, while the sum is 63.
The spelling of 6530745680874 in words is "six trillion, five hundred thirty billion, seven hundred forty-five million, six hundred eighty thousand, eight hundred seventy-four".
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