Base | Representation |
---|---|
bin | 11010100001001111… |
… | …100011101111001011 |
3 | 2201111110202120222112 |
4 | 122201033203233023 |
5 | 431304100422331 |
6 | 21025314212535 |
7 | 2025431424536 |
oct | 324117435713 |
9 | 81443676875 |
10 | 28475014091 |
11 | 110924485a7 |
12 | 562828414b |
13 | 28ba465184 |
14 | 1541abda1d |
15 | b19ce632b |
hex | 6a13e3bcb |
28475014091 has 8 divisors (see below), whose sum is σ = 28504753200. Its totient is φ = 28445294592.
The previous prime is 28475014081. The next prime is 28475014103. The reversal of 28475014091 is 19041057482.
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 28475014091 - 210 = 28475013067 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28475014081) 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, 5700491 + ... + 5705483.
It is an arithmetic number, because the mean of its divisors is an integer number (3563094150).
Almost surely, 228475014091 is an apocalyptic number.
28475014091 is a deficient number, since it is larger than the sum of its proper divisors (29739109).
28475014091 is a wasteful number, since it uses less digits than its factorization.
28475014091 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9805.
The product of its (nonzero) digits is 80640, while the sum is 41.
The spelling of 28475014091 in words is "twenty-eight billion, four hundred seventy-five million, fourteen thousand, ninety-one".
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