Base | Representation |
---|---|
bin | 11010111010101101… |
… | …101111100001001010 |
3 | 2202121020212212100010 |
4 | 122322231233201022 |
5 | 433143000411231 |
6 | 21135541452350 |
7 | 2042140660452 |
oct | 327255574112 |
9 | 82536785303 |
10 | 28902357066 |
11 | 11291699710 |
12 | 57274110b6 |
13 | 2957b5b23b |
14 | 1582760d62 |
15 | b425ab546 |
hex | 6bab6f84a |
28902357066 has 16 divisors (see below), whose sum is σ = 63059688288. Its totient is φ = 8758290000.
The previous prime is 28902357041. The next prime is 28902357073. The reversal of 28902357066 is 66075320982.
It is a Curzon 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, 218957185 + ... + 218957316.
It is an arithmetic number, because the mean of its divisors is an integer number (3941230518).
Almost surely, 228902357066 is an apocalyptic number.
28902357066 is an abundant number, since it is smaller than the sum of its proper divisors (34157331222).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28902357066 is a wasteful number, since it uses less digits than its factorization.
28902357066 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 437914517.
The product of its (nonzero) digits is 1088640, while the sum is 48.
The spelling of 28902357066 in words is "twenty-eight billion, nine hundred two million, three hundred fifty-seven thousand, sixty-six".
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