Base | Representation |
---|---|
bin | 11010001001000101… |
… | …001000011111111000 |
3 | 2200110012221211200000 |
4 | 122021011020133320 |
5 | 424441311043041 |
6 | 20521153313000 |
7 | 2012406620562 |
oct | 321105103770 |
9 | 80405854600 |
10 | 28069627896 |
11 | 109a4633992 |
12 | 5534565760 |
13 | 285448909b |
14 | 1503d16332 |
15 | ae441bbb6 |
hex | 6891487f8 |
28069627896 has 48 divisors (see below), whose sum is σ = 78837540600. Its totient is φ = 9356541984.
The previous prime is 28069627837. The next prime is 28069627907. The reversal of 28069627896 is 69872696082.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7217611 + ... + 7221498.
Almost surely, 228069627896 is an apocalyptic number.
It is an amenable number.
28069627896 is an abundant number, since it is smaller than the sum of its proper divisors (50767912704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28069627896 is a wasteful number, since it uses less digits than its factorization.
28069627896 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14439130 (or 14439114 counting only the distinct ones).
The product of its (nonzero) digits is 31352832, while the sum is 63.
The spelling of 28069627896 in words is "twenty-eight billion, sixty-nine million, six hundred twenty-seven thousand, eight hundred ninety-six".
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