Base | Representation |
---|---|
bin | 11010010101111011… |
… | …000111100111110100 |
3 | 2201000020102021222120 |
4 | 122111323013213310 |
5 | 430411441403201 |
6 | 20554411555540 |
7 | 2020634303601 |
oct | 322573074764 |
9 | 81006367876 |
10 | 28285106676 |
11 | 10aa5229322 |
12 | 559475bbb0 |
13 | 288a002918 |
14 | 15247a76a8 |
15 | b082d2536 |
hex | 695ec79f4 |
28285106676 has 48 divisors (see below), whose sum is σ = 68285296128. Its totient is φ = 9103104000.
The previous prime is 28285106669. The next prime is 28285106711. The reversal of 28285106676 is 67660158282.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73276 + ... + 248876.
It is an arithmetic number, because the mean of its divisors is an integer number (1422610336).
Almost surely, 228285106676 is an apocalyptic number.
It is an amenable number.
28285106676 is an abundant number, since it is smaller than the sum of its proper divisors (40000189452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28285106676 is a wasteful number, since it uses less digits than its factorization.
28285106676 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 176072 (or 176070 counting only the distinct ones).
The product of its (nonzero) digits is 1935360, while the sum is 51.
The spelling of 28285106676 in words is "twenty-eight billion, two hundred eighty-five million, one hundred six thousand, six hundred seventy-six".
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