Base | Representation |
---|---|
bin | 11010101000011001… |
… | …110101010110101001 |
3 | 2201210211211001000000 |
4 | 122220121311112221 |
5 | 432030324220301 |
6 | 21045245133213 |
7 | 2031420515004 |
oct | 325031652651 |
9 | 81724731000 |
10 | 28595148201 |
11 | 11144241094 |
12 | 566055a209 |
13 | 2909308149 |
14 | 1553a3253b |
15 | b25626786 |
hex | 6a86755a9 |
28595148201 has 21 divisors (see below), whose sum is σ = 42879956269. Its totient is φ = 19060388316.
The previous prime is 28595148187. The next prime is 28595148227. The reversal of 28595148201 is 10284159582.
The square root of 28595148201 is 169101.
It is a perfect power (a square), and thus also a powerful number.
28595148201 is a `hidden beast` number, since 2 + 8 + 59 + 514 + 82 + 0 + 1 = 666.
It is not a de Polignac number, because 28595148201 - 27 = 28595148073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28595148301) by changing a digit.
It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 4562596 + ... + 4568858.
Almost surely, 228595148201 is an apocalyptic number.
28595148201 is the 169101-st square number.
28595148201 is the 84551-st centered octagonal number.
It is an amenable number.
28595148201 is a deficient number, since it is larger than the sum of its proper divisors (14284808068).
28595148201 is an frugal number, since it uses more digits than its factorization.
28595148201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12544 (or 6266 counting only the distinct ones).
The product of its (nonzero) digits is 230400, while the sum is 45.
The spelling of 28595148201 in words is "twenty-eight billion, five hundred ninety-five million, one hundred forty-eight thousand, two hundred one".
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