Base | Representation |
---|---|
bin | 1100111100010110… |
… | …10000000000000001 |
3 | 122221021020101010001 |
4 | 12132023100000001 |
5 | 103212332412140 |
6 | 3105303040001 |
7 | 334124054551 |
oct | 63613200001 |
9 | 18837211101 |
10 | 6948716545 |
11 | 2a46407651 |
12 | 141b140001 |
13 | 8697bb5c4 |
14 | 49cc0b161 |
15 | 2aa088e9a |
hex | 19e2d0001 |
6948716545 has 8 divisors (see below), whose sum is σ = 8340342696. Its totient is φ = 5557718016.
The previous prime is 6948716521. The next prime is 6948716611. The reversal of 6948716545 is 5456178496.
It can be written as a sum of positive squares in 4 ways, for example, as 836135056 + 6112581489 = 28916^2 + 78183^2 .
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 6948716545 - 225 = 6915162113 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132192 + ... + 177121.
It is an arithmetic number, because the mean of its divisors is an integer number (1042542837).
Almost surely, 26948716545 is an apocalyptic number.
It is an amenable number.
6948716545 is a deficient number, since it is larger than the sum of its proper divisors (1391626151).
6948716545 is a wasteful number, since it uses less digits than its factorization.
6948716545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 313811.
The product of its digits is 7257600, while the sum is 55.
The square root of 6948716545 is about 83358.9619956967. The cubic root of 6948716545 is about 1908.2482174725.
The spelling of 6948716545 in words is "six billion, nine hundred forty-eight million, seven hundred sixteen thousand, five hundred forty-five".
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