Base | Representation |
---|---|
bin | 1110111000011100… |
… | …01100011010101101 |
3 | 202121210222120121120 |
4 | 13130032030122231 |
5 | 112330324110233 |
6 | 3400450251153 |
7 | 401664060066 |
oct | 73416143255 |
9 | 22553876546 |
10 | 7989675693 |
11 | 342aa6666a |
12 | 166b886ab9 |
13 | 9a4369a6c |
14 | 55b17b56d |
15 | 31b65b4b3 |
hex | 1dc38c6ad |
7989675693 has 32 divisors (see below), whose sum is σ = 11444400000. Its totient is φ = 4943296512.
The previous prime is 7989675689. The next prime is 7989675713. The reversal of 7989675693 is 3965769897.
It is not a de Polignac number, because 7989675693 - 22 = 7989675689 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7989675193) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 545733 + ... + 560181.
It is an arithmetic number, because the mean of its divisors is an integer number (357637500).
Almost surely, 27989675693 is an apocalyptic number.
It is an amenable number.
7989675693 is a deficient number, since it is larger than the sum of its proper divisors (3454724307).
7989675693 is a wasteful number, since it uses less digits than its factorization.
7989675693 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14669.
The product of its digits is 154314720, while the sum is 69.
The square root of 7989675693 is about 89384.9858365486. The cubic root of 7989675693 is about 1999.1392707090.
The spelling of 7989675693 in words is "seven billion, nine hundred eighty-nine million, six hundred seventy-five thousand, six hundred ninety-three".
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