Base | Representation |
---|---|
bin | 100000000011001011… |
… | …1110011111000110010 |
3 | 20120122121222110110121 |
4 | 1000012113303320302 |
5 | 2111424023204444 |
6 | 51341324120454 |
7 | 4654403410315 |
oct | 1000627637062 |
9 | 216577873417 |
10 | 68826381874 |
11 | 27209775438 |
12 | 1140999612a |
13 | 664b25c363 |
14 | 348cbd297c |
15 | 1bcc587084 |
hex | 10065f3e32 |
68826381874 has 8 divisors (see below), whose sum is σ = 103932456300. Its totient is φ = 34182229776.
The previous prime is 68826381829. The next prime is 68826381893. The reversal of 68826381874 is 47818362886.
It can be written as a sum of positive squares in 2 ways, for example, as 54799532649 + 14026849225 = 234093^2 + 118435^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115480209 + ... + 115480804.
Almost surely, 268826381874 is an apocalyptic number.
68826381874 is a deficient number, since it is larger than the sum of its proper divisors (35106074426).
68826381874 is a wasteful number, since it uses less digits than its factorization.
68826381874 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230961164.
The product of its digits is 24772608, while the sum is 61.
The spelling of 68826381874 in words is "sixty-eight billion, eight hundred twenty-six million, three hundred eighty-one thousand, eight hundred seventy-four".
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