Base | Representation |
---|---|
bin | 11010001000010000… |
… | …100001010101100111 |
3 | 2200102021000010202022 |
4 | 122020100201111213 |
5 | 424424243223012 |
6 | 20515541533355 |
7 | 2012151446153 |
oct | 321020412547 |
9 | 80367003668 |
10 | 28055836007 |
11 | 10997873931 |
12 | 552ba1425b |
13 | 285166a5c4 |
14 | 1502166063 |
15 | ae30e5472 |
hex | 688421567 |
28055836007 has 16 divisors (see below), whose sum is σ = 29116446720. Its totient is φ = 27015566688.
The previous prime is 28055836001. The next prime is 28055836013. The reversal of 28055836007 is 70063855082.
It is an interprime number because it is at equal distance from previous prime (28055836001) and next prime (28055836013).
It is a cyclic number.
It is not a de Polignac number, because 28055836007 - 24 = 28055835991 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28055836001) 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, 2756594 + ... + 2766752.
It is an arithmetic number, because the mean of its divisors is an integer number (1819777920).
Almost surely, 228055836007 is an apocalyptic number.
28055836007 is a deficient number, since it is larger than the sum of its proper divisors (1060610713).
28055836007 is a wasteful number, since it uses less digits than its factorization.
28055836007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11150.
The product of its (nonzero) digits is 403200, while the sum is 44.
The spelling of 28055836007 in words is "twenty-eight billion, fifty-five million, eight hundred thirty-six thousand, seven".
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