Base | Representation |
---|---|
bin | 11010100101011100… |
… | …101110100110111110 |
3 | 2201200101112110211210 |
4 | 122211130232212332 |
5 | 431430131402413 |
6 | 21040314425250 |
7 | 2030246246526 |
oct | 324534564676 |
9 | 81611473753 |
10 | 28545575358 |
11 | 111192622a3 |
12 | 5647a32226 |
13 | 28cbc6c2c1 |
14 | 154b20a686 |
15 | b210d33c3 |
hex | 6a572e9be |
28545575358 has 16 divisors (see below), whose sum is σ = 57092806800. Its totient is φ = 9514915776.
The previous prime is 28545575329. The next prime is 28545575393. The reversal of 28545575358 is 85357554582.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 28545575298 and 28545575307.
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, 366816 + ... + 437772.
It is an arithmetic number, because the mean of its divisors is an integer number (3568300425).
Almost surely, 228545575358 is an apocalyptic number.
28545575358 is an abundant number, since it is smaller than the sum of its proper divisors (28547231442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28545575358 is a wasteful number, since it uses less digits than its factorization.
28545575358 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138011.
The product of its digits is 33600000, while the sum is 57.
The spelling of 28545575358 in words is "twenty-eight billion, five hundred forty-five million, five hundred seventy-five thousand, three hundred fifty-eight".
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