Base | Representation |
---|---|
bin | 11010000100111101… |
… | …100001101111000110 |
3 | 2200021101221001122220 |
4 | 122010331201233012 |
5 | 424321113302004 |
6 | 20510244233210 |
7 | 2010610352262 |
oct | 320475415706 |
9 | 80241831586 |
10 | 28000525254 |
11 | 10969626069 |
12 | 551539b806 |
13 | 2843072b50 |
14 | 14d8a890a2 |
15 | add31bdd9 |
hex | 684f61bc6 |
28000525254 has 32 divisors (see below), whose sum is σ = 60343521504. Its totient is φ = 8610589440.
The previous prime is 28000525249. The next prime is 28000525271. The reversal of 28000525254 is 45252500082.
It is a happy number.
28000525254 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34344 + ... + 239124.
It is an arithmetic number, because the mean of its divisors is an integer number (1885735047).
Almost surely, 228000525254 is an apocalyptic number.
28000525254 is an abundant number, since it is smaller than the sum of its proper divisors (32342996250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28000525254 is a wasteful number, since it uses less digits than its factorization.
28000525254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206552.
The product of its (nonzero) digits is 32000, while the sum is 33.
The spelling of 28000525254 in words is "twenty-eight billion, five hundred twenty-five thousand, two hundred fifty-four".
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