Base | Representation |
---|---|
bin | 11010001000011000… |
… | …111101011000011001 |
3 | 2200102102011112001220 |
4 | 122020120331120121 |
5 | 424430330014100 |
6 | 20520101202253 |
7 | 2012206321200 |
oct | 321030753031 |
9 | 80372145056 |
10 | 28058048025 |
11 | 10999044847 |
12 | 5530700389 |
13 | 2851c633a7 |
14 | 1502580237 |
15 | ae33d0aa0 |
hex | 68863d619 |
28058048025 has 144 divisors (see below), whose sum is σ = 55107330048. Its totient is φ = 12557328000.
The previous prime is 28058048023. The next prime is 28058048093. The reversal of 28058048025 is 52084085082.
It is not a de Polignac number, because 28058048025 - 21 = 28058048023 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28058048023) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 49836394 + ... + 49836956.
It is an arithmetic number, because the mean of its divisors is an integer number (382689792).
Almost surely, 228058048025 is an apocalyptic number.
28058048025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
28058048025 is a deficient number, since it is larger than the sum of its proper divisors (27049282023).
28058048025 is a wasteful number, since it uses less digits than its factorization.
28058048025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 852 (or 840 counting only the distinct ones).
The product of its (nonzero) digits is 204800, while the sum is 42.
The spelling of 28058048025 in words is "twenty-eight billion, fifty-eight million, forty-eight thousand, twenty-five".
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