Base | Representation |
---|---|
bin | 11010100101101111… |
… | …000100000111101100 |
3 | 2201200201120200101210 |
4 | 122211233010013230 |
5 | 431432344211220 |
6 | 21041005434420 |
7 | 2030335146324 |
oct | 324557040754 |
9 | 81621520353 |
10 | 28550382060 |
11 | 11120a45682 |
12 | 564956ba10 |
13 | 28ccc630c5 |
14 | 154badc284 |
15 | b217326e0 |
hex | 6a5bc41ec |
28550382060 has 48 divisors (see below), whose sum is σ = 79952175072. Its totient is φ = 7612377600.
The previous prime is 28550381987. The next prime is 28550382071. The reversal of 28550382060 is 6028305582.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464320 + ... + 522200.
It is an arithmetic number, because the mean of its divisors is an integer number (1665670314).
Almost surely, 228550382060 is an apocalyptic number.
28550382060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28550382060 is an abundant number, since it is smaller than the sum of its proper divisors (51401793012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28550382060 is a wasteful number, since it uses less digits than its factorization.
28550382060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66114 (or 66112 counting only the distinct ones).
The product of its (nonzero) digits is 115200, while the sum is 39.
The spelling of 28550382060 in words is "twenty-eight billion, five hundred fifty million, three hundred eighty-two thousand, sixty".
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