Base | Representation |
---|---|
bin | 11010010011101111… |
… | …011100110000101101 |
3 | 2200220200112010121020 |
4 | 122103233130300231 |
5 | 430323103234401 |
6 | 20551023124353 |
7 | 2020011141513 |
oct | 322357346055 |
9 | 80820463536 |
10 | 28248493101 |
11 | 10a865a0a74 |
12 | 55844436b9 |
13 | 288255359a |
14 | 151d9964b3 |
15 | b04e9dd36 |
hex | 693bdcc2d |
28248493101 has 8 divisors (see below), whose sum is σ = 38963438880. Its totient is φ = 18182938032.
The previous prime is 28248493093. The next prime is 28248493187. The reversal of 28248493101 is 10139484282.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28248493101 - 23 = 28248493093 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28248493001) 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, 162347575 + ... + 162347748.
It is an arithmetic number, because the mean of its divisors is an integer number (4870429860).
Almost surely, 228248493101 is an apocalyptic number.
It is an amenable number.
28248493101 is a deficient number, since it is larger than the sum of its proper divisors (10714945779).
28248493101 is a wasteful number, since it uses less digits than its factorization.
28248493101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 324695355.
The product of its (nonzero) digits is 110592, while the sum is 42.
The spelling of 28248493101 in words is "twenty-eight billion, two hundred forty-eight million, four hundred ninety-three thousand, one hundred one".
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