Base | Representation |
---|---|
bin | 11010011010010000… |
… | …100001001010110000 |
3 | 2201012022020210001020 |
4 | 122122100201022300 |
5 | 431034100401300 |
6 | 21005530335440 |
7 | 2022506352135 |
oct | 323220411260 |
9 | 81168223036 |
10 | 28357825200 |
11 | 11032286881 |
12 | 55b4b8a580 |
13 | 289c0b3933 |
14 | 15302d658c |
15 | b0e8988a0 |
hex | 69a4212b0 |
28357825200 has 60 divisors (see below), whose sum is σ = 90839570568. Its totient is φ = 7562086400.
The previous prime is 28357825187. The next prime is 28357825253. The reversal of 28357825200 is 252875382.
It is a tau number, because it is divible by the number of its divisors (60).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11814561 + ... + 11816960.
Almost surely, 228357825200 is an apocalyptic number.
28357825200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28357825200 is an abundant number, since it is smaller than the sum of its proper divisors (62481745368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28357825200 is a wasteful number, since it uses less digits than its factorization.
28357825200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23631542 (or 23631531 counting only the distinct ones).
The product of its (nonzero) digits is 268800, while the sum is 42.
The spelling of 28357825200 in words is "twenty-eight billion, three hundred fifty-seven million, eight hundred twenty-five thousand, two hundred".
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