Base | Representation |
---|---|
bin | 11010001011101000… |
… | …101011100001110000 |
3 | 2200120012122000022010 |
4 | 122023220223201300 |
5 | 430033300011343 |
6 | 20525324242520 |
7 | 2013440212605 |
oct | 321350534160 |
9 | 80505560263 |
10 | 28112500848 |
11 | 10a16856a83 |
12 | 55469a0440 |
13 | 286031a4b3 |
14 | 15098b66ac |
15 | ae8089d33 |
hex | 68ba2b870 |
28112500848 has 40 divisors (see below), whose sum is σ = 72860558848. Its totient is φ = 9340304832.
The previous prime is 28112500837. The next prime is 28112500861. The reversal of 28112500848 is 84800521182.
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, 939136 + ... + 968607.
Almost surely, 228112500848 is an apocalyptic number.
It is an amenable number.
28112500848 is an abundant number, since it is smaller than the sum of its proper divisors (44748058000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28112500848 is a wasteful number, since it uses less digits than its factorization.
28112500848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1908061 (or 1908055 counting only the distinct ones).
The product of its (nonzero) digits is 40960, while the sum is 39.
The spelling of 28112500848 in words is "twenty-eight billion, one hundred twelve million, five hundred thousand, eight hundred forty-eight".
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