Base | Representation |
---|---|
bin | 11010000111010001… |
… | …010111100111000111 |
3 | 2200101002212001200102 |
4 | 122013101113213013 |
5 | 424411023443340 |
6 | 20514151034315 |
7 | 2011560646130 |
oct | 320721274707 |
9 | 80332761612 |
10 | 28039281095 |
11 | 10989496991 |
12 | 552636b99b |
13 | 284b0c22b7 |
14 | 14ddc96c87 |
15 | ae1925215 |
hex | 6874579c7 |
28039281095 has 8 divisors (see below), whose sum is σ = 38453871264. Its totient is φ = 19226935584.
The previous prime is 28039281091. The next prime is 28039281097. The reversal of 28039281095 is 59018293082.
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 28039281095 - 22 = 28039281091 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 (28039281091) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400561124 + ... + 400561193.
It is an arithmetic number, because the mean of its divisors is an integer number (4806733908).
Almost surely, 228039281095 is an apocalyptic number.
28039281095 is a deficient number, since it is larger than the sum of its proper divisors (10414590169).
28039281095 is an equidigital number, since it uses as much as digits as its factorization.
28039281095 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 801122329.
The product of its (nonzero) digits is 311040, while the sum is 47.
The spelling of 28039281095 in words is "twenty-eight billion, thirty-nine million, two hundred eighty-one thousand, ninety-five".
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