Base | Representation |
---|---|
bin | 11010001001000100… |
… | …101001010000101110 |
3 | 2200110012201100011021 |
4 | 122021010221100232 |
5 | 424441242444300 |
6 | 20521150444354 |
7 | 2012405545552 |
oct | 321104512056 |
9 | 80405640137 |
10 | 28069499950 |
11 | 109a4556848 |
12 | 55345036ba |
13 | 2854442a8b |
14 | 1503cc1862 |
15 | ae43e3d1a |
hex | 68912942e |
28069499950 has 48 divisors (see below), whose sum is σ = 53608443840. Its totient is φ = 10928192000.
The previous prime is 28069499947. The next prime is 28069500007. The reversal of 28069499950 is 5999496082.
It is a happy number.
It is a congruent number.
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, 867666 + ... + 899434.
It is an arithmetic number, because the mean of its divisors is an integer number (1116842580).
Almost surely, 228069499950 is an apocalyptic number.
28069499950 is a deficient number, since it is larger than the sum of its proper divisors (25538943890).
28069499950 is a wasteful number, since it uses less digits than its factorization.
28069499950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32253 (or 32248 counting only the distinct ones).
The product of its (nonzero) digits is 12597120, while the sum is 61.
The spelling of 28069499950 in words is "twenty-eight billion, sixty-nine million, four hundred ninety-nine thousand, nine hundred fifty".
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