Base | Representation |
---|---|
bin | 11010011011110010… |
… | …111010110000101101 |
3 | 2201021002210022001102 |
4 | 122123302322300231 |
5 | 431112201321031 |
6 | 21012251252445 |
7 | 2023241535062 |
oct | 323362726055 |
9 | 81232708042 |
10 | 28383620141 |
11 | 110458a4a08 |
12 | 560174a125 |
13 | 28a4545906 |
14 | 15338ccc69 |
15 | b11c917cb |
hex | 69bcbac2d |
28383620141 has 8 divisors (see below), whose sum is σ = 28744148160. Its totient is φ = 28023534112.
The previous prime is 28383620137. The next prime is 28383620147. The reversal of 28383620141 is 14102638382.
It is a happy number.
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 28383620141 - 22 = 28383620137 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28383620095 and 28383620104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28383620147) 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, 19721 + ... + 239073.
It is an arithmetic number, because the mean of its divisors is an integer number (3593018520).
Almost surely, 228383620141 is an apocalyptic number.
It is an amenable number.
28383620141 is a deficient number, since it is larger than the sum of its proper divisors (360528019).
28383620141 is a wasteful number, since it uses less digits than its factorization.
28383620141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 220995.
The product of its (nonzero) digits is 55296, while the sum is 38.
The spelling of 28383620141 in words is "twenty-eight billion, three hundred eighty-three million, six hundred twenty thousand, one hundred forty-one".
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