Base | Representation |
---|---|
bin | 11010001000100101… |
… | …111011111101001010 |
3 | 2200102122120100210010 |
4 | 122020211323331022 |
5 | 424432212400213 |
6 | 20520302132350 |
7 | 2012250250515 |
oct | 321045737512 |
9 | 80378510703 |
10 | 28061450058 |
11 | 1099aa58844 |
12 | 55318810b6 |
13 | 2852884a25 |
14 | 1502bc7d7c |
15 | ae3853ac3 |
hex | 68897bf4a |
28061450058 has 32 divisors (see below), whose sum is σ = 58583606400. Its totient is φ = 8943984896.
The previous prime is 28061450057. The next prime is 28061450069. The reversal of 28061450058 is 85005416082.
It is a junction number, because it is equal to n+sod(n) for n = 28061449998 and 28061450025.
It is not an unprimeable number, because it can be changed into a prime (28061450057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375478 + ... + 443966.
It is an arithmetic number, because the mean of its divisors is an integer number (1830737700).
Almost surely, 228061450058 is an apocalyptic number.
28061450058 is an abundant number, since it is smaller than the sum of its proper divisors (30522156342).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28061450058 is a wasteful number, since it uses less digits than its factorization.
28061450058 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71486.
The product of its (nonzero) digits is 76800, while the sum is 39.
The spelling of 28061450058 in words is "twenty-eight billion, sixty-one million, four hundred fifty thousand, fifty-eight".
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