Base | Representation |
---|---|
bin | 11010011010011010… |
… | …111110110110110001 |
3 | 2201012111102010210100 |
4 | 122122122332312301 |
5 | 431040301140431 |
6 | 21010105223013 |
7 | 2022541565265 |
oct | 323232766661 |
9 | 81174363710 |
10 | 28360568241 |
11 | 1103388a755 |
12 | 55b5a91a69 |
13 | 289c834335 |
14 | 153080c0a5 |
15 | b0ec3b4e6 |
hex | 69a6bedb1 |
28360568241 has 24 divisors (see below), whose sum is σ = 42559831080. Its totient is φ = 18176691456.
The previous prime is 28360568231. The next prime is 28360568263. The reversal of 28360568241 is 14286506382.
28360568241 is a `hidden beast` number, since 2 + 8 + 3 + 60 + 568 + 24 + 1 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 4624544016 + 23736024225 = 68004^2 + 154065^2 .
It is not a de Polignac number, because 28360568241 - 218 = 28360306097 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28360568231) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172366 + ... + 293991.
It is an arithmetic number, because the mean of its divisors is an integer number (1773326295).
Almost surely, 228360568241 is an apocalyptic number.
It is an amenable number.
28360568241 is a deficient number, since it is larger than the sum of its proper divisors (14199262839).
28360568241 is a wasteful number, since it uses less digits than its factorization.
28360568241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 466625 (or 466622 counting only the distinct ones).
The product of its (nonzero) digits is 552960, while the sum is 45.
The spelling of 28360568241 in words is "twenty-eight billion, three hundred sixty million, five hundred sixty-eight thousand, two hundred forty-one".
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