Base | Representation |
---|---|
bin | 11010101001011001… |
… | …000110111000101110 |
3 | 2201212000000201221002 |
4 | 122221121012320232 |
5 | 432044101010321 |
6 | 21051040440302 |
7 | 2032011510164 |
oct | 325131067056 |
9 | 81760021832 |
10 | 28611735086 |
11 | 11152640060 |
12 | 5666019092 |
13 | 290c894b7c |
14 | 1555d0d234 |
15 | b26d0120b |
hex | 6a9646e2e |
28611735086 has 64 divisors (see below), whose sum is σ = 51555571200. Its totient is φ = 11755497600.
The previous prime is 28611735083. The next prime is 28611735133. The reversal of 28611735086 is 68053711682.
It is a self number, because there is not a number n which added to its sum of digits gives 28611735086.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28611735083) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4043960 + ... + 4051028.
It is an arithmetic number, because the mean of its divisors is an integer number (805555800).
Almost surely, 228611735086 is an apocalyptic number.
28611735086 is a deficient number, since it is larger than the sum of its proper divisors (22943836114).
28611735086 is a wasteful number, since it uses less digits than its factorization.
28611735086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7545.
The product of its (nonzero) digits is 483840, while the sum is 47.
The spelling of 28611735086 in words is "twenty-eight billion, six hundred eleven million, seven hundred thirty-five thousand, eighty-six".
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