Base | Representation |
---|---|
bin | 1100111110101010… |
… | …10000110001110111 |
3 | 122222121202002102221 |
4 | 12133111100301313 |
5 | 103232314242031 |
6 | 3111234543211 |
7 | 334451012653 |
oct | 63725206167 |
9 | 18877662387 |
10 | 6968118391 |
11 | 2a56359533 |
12 | 1425737b07 |
13 | 8708226a0 |
14 | 4a161ba63 |
15 | 2abb1ca11 |
hex | 19f550c77 |
6968118391 has 8 divisors (see below), whose sum is σ = 7511713664. Its totient is φ = 6425606880.
The previous prime is 6968118383. The next prime is 6968118397. The reversal of 6968118391 is 1938118696.
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 6968118391 - 23 = 6968118383 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6968118397) 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, 257556 + ... + 283321.
It is an arithmetic number, because the mean of its divisors is an integer number (938964208).
Almost surely, 26968118391 is an apocalyptic number.
6968118391 is a deficient number, since it is larger than the sum of its proper divisors (543595273).
6968118391 is a wasteful number, since it uses less digits than its factorization.
6968118391 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 541881.
The product of its digits is 559872, while the sum is 52.
The square root of 6968118391 is about 83475.2561601341. The cubic root of 6968118391 is about 1910.0226042846.
The spelling of 6968118391 in words is "six billion, nine hundred sixty-eight million, one hundred eighteen thousand, three hundred ninety-one".
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