Base | Representation |
---|---|
bin | 11010001000010000… |
… | …100001001111111001 |
3 | 2200102021000010020202 |
4 | 122020100201033321 |
5 | 424424243220031 |
6 | 20515541531545 |
7 | 2012151445121 |
oct | 321020411771 |
9 | 80367003222 |
10 | 28055835641 |
11 | 10997873629 |
12 | 552ba13bb5 |
13 | 285166a3a2 |
14 | 1502165c81 |
15 | ae30e52cb |
hex | 6884213f9 |
28055835641 has 8 divisors (see below), whose sum is σ = 29717153280. Its totient is φ = 26395737408.
The previous prime is 28055835629. The next prime is 28055835649. The reversal of 28055835641 is 14653855082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28055835641 - 222 = 28051641337 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28055835649) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257261 + ... + 349706.
It is an arithmetic number, because the mean of its divisors is an integer number (3714644160).
Almost surely, 228055835641 is an apocalyptic number.
It is an amenable number.
28055835641 is a deficient number, since it is larger than the sum of its proper divisors (1661317639).
28055835641 is a wasteful number, since it uses less digits than its factorization.
28055835641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 609703.
The product of its (nonzero) digits is 1152000, while the sum is 47.
The spelling of 28055835641 in words is "twenty-eight billion, fifty-five million, eight hundred thirty-five thousand, six hundred forty-one".
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