Base | Representation |
---|---|
bin | 11010100110111101… |
… | …111110100110110010 |
3 | 2201202011111200100012 |
4 | 122212331332212302 |
5 | 432003143200400 |
6 | 21043025054522 |
7 | 2031006035552 |
oct | 324675764662 |
9 | 81664450305 |
10 | 28571068850 |
11 | 111316949a5 |
12 | 5654487442 |
13 | 2904326ccc |
14 | 1550765162 |
15 | b2346bd35 |
hex | 6a6f7e9b2 |
28571068850 has 48 divisors (see below), whose sum is σ = 54731764800. Its totient is φ = 11088319680.
The previous prime is 28571068843. The next prime is 28571068871. The reversal of 28571068850 is 5886017582.
It is a Harshad number since it is a multiple of its sum of digits (50).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 642641 + ... + 685659.
It is an arithmetic number, because the mean of its divisors is an integer number (1140245100).
Almost surely, 228571068850 is an apocalyptic number.
28571068850 is a deficient number, since it is larger than the sum of its proper divisors (26160695950).
28571068850 is a wasteful number, since it uses less digits than its factorization.
28571068850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43427 (or 43422 counting only the distinct ones).
The product of its (nonzero) digits is 1075200, while the sum is 50.
The spelling of 28571068850 in words is "twenty-eight billion, five hundred seventy-one million, sixty-eight thousand, eight hundred fifty".
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