Base | Representation |
---|---|
bin | 11010010000101101… |
… | …010101011010000001 |
3 | 2200210010202212001100 |
4 | 122100231111122001 |
5 | 430222041411131 |
6 | 20542004325013 |
7 | 2015522463612 |
oct | 322055253201 |
9 | 80703685040 |
10 | 28197607041 |
11 | 10a5a8a557a |
12 | 556b3a3769 |
13 | 2874b47aa6 |
14 | 1516d0bc09 |
15 | b0079b7e6 |
hex | 690b55681 |
28197607041 has 6 divisors (see below), whose sum is σ = 40729876850. Its totient is φ = 18798404688.
The previous prime is 28197607021. The next prime is 28197607043. The reversal of 28197607041 is 14070679182.
It is a happy number.
28197607041 is a `hidden beast` number, since 28 + 19 + 7 + 607 + 0 + 4 + 1 = 666.
It can be written as a sum of positive squares in only one way, i.e., 26960326416 + 1237280625 = 164196^2 + 35175^2 .
It is not a de Polignac number, because 28197607041 - 26 = 28197606977 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28197607043) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1566533716 + ... + 1566533733.
Almost surely, 228197607041 is an apocalyptic number.
It is an amenable number.
28197607041 is a deficient number, since it is larger than the sum of its proper divisors (12532269809).
28197607041 is a wasteful number, since it uses less digits than its factorization.
28197607041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3133067455 (or 3133067452 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 45.
The spelling of 28197607041 in words is "twenty-eight billion, one hundred ninety-seven million, six hundred seven thousand, forty-one".
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