Base | Representation |
---|---|
bin | 1101000110100110100010… |
… | …00010010111110110010011 |
3 | 10210000121100111100100021011 |
4 | 12203103101002113312103 |
5 | 12234042333301303213 |
6 | 141141011532311351 |
7 | 6032516304114430 |
oct | 643232102276623 |
9 | 123017314310234 |
10 | 28814147681683 |
11 | 91aa014201681 |
12 | 329445b912557 |
13 | 1310215c30030 |
14 | 71887dbbcb87 |
15 | 34e7c719403d |
hex | 1a34d1097d93 |
28814147681683 has 32 divisors (see below), whose sum is σ = 36611986890752. Its totient is φ = 22059914803200.
The previous prime is 28814147681593. The next prime is 28814147681741. The reversal of 28814147681683 is 38618674141882.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-28814147681683 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28814147684683) 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, 22830835 + ... + 24059827.
It is an arithmetic number, because the mean of its divisors is an integer number (1144124590336).
Almost surely, 228814147681683 is an apocalyptic number.
28814147681683 is a deficient number, since it is larger than the sum of its proper divisors (7797839209069).
28814147681683 is a wasteful number, since it uses less digits than its factorization.
28814147681683 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1237355.
The product of its digits is 99090432, while the sum is 67.
The spelling of 28814147681683 in words is "twenty-eight trillion, eight hundred fourteen billion, one hundred forty-seven million, six hundred eighty-one thousand, six hundred eighty-three".
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