Base | Representation |
---|---|
bin | 11010100111010110… |
… | …111010101001101010 |
3 | 2201202121210210222010 |
4 | 122213112322221222 |
5 | 432011331400000 |
6 | 21043421140350 |
7 | 2031115434204 |
oct | 324726725152 |
9 | 81677723863 |
10 | 28577606250 |
11 | 1113534a606 |
12 | 56566ba6b6 |
13 | 29057a57ab |
14 | 1551587774 |
15 | b23d0dd50 |
hex | 6a75baa6a |
28577606250 has 48 divisors (see below), whose sum is σ = 71439490080. Its totient is φ = 7620690000.
The previous prime is 28577606221. The next prime is 28577606257. The reversal of 28577606250 is 5260677582.
It is a self number, because there is not a number n which added to its sum of digits gives 28577606250.
It is not an unprimeable number, because it can be changed into a prime (28577606257) 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, 743320 + ... + 780819.
It is an arithmetic number, because the mean of its divisors is an integer number (1488322710).
Almost surely, 228577606250 is an apocalyptic number.
28577606250 is an abundant number, since it is smaller than the sum of its proper divisors (42861883830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28577606250 is an equidigital number, since it uses as much as digits as its factorization.
28577606250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1524169 (or 1524149 counting only the distinct ones).
The product of its (nonzero) digits is 1411200, while the sum is 48.
The spelling of 28577606250 in words is "twenty-eight billion, five hundred seventy-seven million, six hundred six thousand, two hundred fifty".
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