Base | Representation |
---|---|
bin | 11010010001010111… |
… | …001110010011100000 |
3 | 2200210220102202002112 |
4 | 122101113032103200 |
5 | 430232344304000 |
6 | 20543035534452 |
7 | 2016015020225 |
oct | 322127162340 |
9 | 80726382075 |
10 | 28208588000 |
11 | 10a6601574a |
12 | 5572bba428 |
13 | 28771c0cb8 |
14 | 151856994c |
15 | b0171a235 |
hex | 6915ce4e0 |
28208588000 has 48 divisors (see below), whose sum is σ = 69308510544. Its totient is φ = 11283433600.
The previous prime is 28208587997. The next prime is 28208588011. The reversal of 28208588000 is 88580282.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3522074 + ... + 3530073.
It is an arithmetic number, because the mean of its divisors is an integer number (1443927303).
Almost surely, 228208588000 is an apocalyptic number.
28208588000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28208588000 is an abundant number, since it is smaller than the sum of its proper divisors (41099922544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28208588000 is an equidigital number, since it uses as much as digits as its factorization.
28208588000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7052172 (or 7052154 counting only the distinct ones).
The product of its (nonzero) digits is 81920, while the sum is 41.
The spelling of 28208588000 in words is "twenty-eight billion, two hundred eight million, five hundred eighty-eight thousand".
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