Base | Representation |
---|---|
bin | 1100110010110010… |
… | …11110111101001110 |
3 | 122201200102002101122 |
4 | 12121121132331032 |
5 | 103031322433432 |
6 | 3053321040542 |
7 | 332131545230 |
oct | 63131367516 |
9 | 18650362348 |
10 | 6868561742 |
11 | 2a05140109 |
12 | 13b8326152 |
13 | 856005923 |
14 | 492304250 |
15 | 2a3004612 |
hex | 19965ef4e |
6868561742 has 16 divisors (see below), whose sum is σ = 12048508032. Its totient is φ = 2875211640.
The previous prime is 6868561727. The next prime is 6868561781. The reversal of 6868561742 is 2471658686.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5704184 + ... + 5705387.
It is an arithmetic number, because the mean of its divisors is an integer number (753031752).
Almost surely, 26868561742 is an apocalyptic number.
6868561742 is a deficient number, since it is larger than the sum of its proper divisors (5179946290).
6868561742 is a wasteful number, since it uses less digits than its factorization.
6868561742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11409623.
The product of its digits is 3870720, while the sum is 53.
The square root of 6868561742 is about 82876.7865086479. The cubic root of 6868561742 is about 1900.8824840515.
The spelling of 6868561742 in words is "six billion, eight hundred sixty-eight million, five hundred sixty-one thousand, seven hundred forty-two".
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