Base | Representation |
---|---|
bin | 11010101010010011… |
… | …100110111110101111 |
3 | 2201220001212212201000 |
4 | 122222103212332233 |
5 | 432112012232040 |
6 | 21052345251343 |
7 | 2032256042043 |
oct | 325223467657 |
9 | 81801785630 |
10 | 28627070895 |
11 | 11160265085 |
12 | 566b193b53 |
13 | 2912b04307 |
14 | 1557d82023 |
15 | b28330130 |
hex | 6aa4e6faf |
28627070895 has 16 divisors (see below), whose sum is σ = 50892570720. Its totient is φ = 15267771072.
The previous prime is 28627070893. The next prime is 28627070959. The reversal of 28627070895 is 59807072682.
It is a happy number.
28627070895 is a `hidden beast` number, since 2 + 8 + 627 + 0 + 7 + 0 + 8 + 9 + 5 = 666.
It is not a de Polignac number, because 28627070895 - 21 = 28627070893 is a prime.
It is a super-2 number, since 2×286270708952 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28627070893) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106026054 + ... + 106026323.
It is an arithmetic number, because the mean of its divisors is an integer number (3180785670).
Almost surely, 228627070895 is an apocalyptic number.
28627070895 is a deficient number, since it is larger than the sum of its proper divisors (22265499825).
28627070895 is a wasteful number, since it uses less digits than its factorization.
28627070895 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 212052391 (or 212052385 counting only the distinct ones).
The product of its (nonzero) digits is 3386880, while the sum is 54.
The spelling of 28627070895 in words is "twenty-eight billion, six hundred twenty-seven million, seventy thousand, eight hundred ninety-five".
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