Base | Representation |
---|---|
bin | 1100111010001110… |
… | …10110110100100001 |
3 | 122220000202011001012 |
4 | 12131013112310201 |
5 | 103143303344224 |
6 | 3103425350305 |
7 | 333516560012 |
oct | 63507266441 |
9 | 18800664035 |
10 | 6930918689 |
11 | 2a37360882 |
12 | 1415198395 |
13 | 865bc9626 |
14 | 49a6d7009 |
15 | 2a872080e |
hex | 19d1d6d21 |
6930918689 has 8 divisors (see below), whose sum is σ = 6960296640. Its totient is φ = 6901564176.
The previous prime is 6930918661. The next prime is 6930918691. The reversal of 6930918689 is 9868190396.
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 6930918689 - 212 = 6930914593 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6930915689) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 834047 + ... + 842315.
It is an arithmetic number, because the mean of its divisors is an integer number (870037080).
Almost surely, 26930918689 is an apocalyptic number.
It is an amenable number.
6930918689 is a deficient number, since it is larger than the sum of its proper divisors (29377951).
6930918689 is a wasteful number, since it uses less digits than its factorization.
6930918689 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11719.
The product of its (nonzero) digits is 5038848, while the sum is 59.
The square root of 6930918689 is about 83252.1392457876. The cubic root of 6930918689 is about 1906.6176158825.
The spelling of 6930918689 in words is "six billion, nine hundred thirty million, nine hundred eighteen thousand, six hundred eighty-nine".
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