Base | Representation |
---|---|
bin | 11010011101101100… |
… | …001101000101111010 |
3 | 2201100022121121220211 |
4 | 122131230031011322 |
5 | 431143321232100 |
6 | 21015344541334 |
7 | 2024106016330 |
oct | 323554150572 |
9 | 81308547824 |
10 | 28415414650 |
11 | 11061840667 |
12 | 561032184a |
13 | 28aacc862c |
14 | 1537c07b50 |
15 | b149721ba |
hex | 69db0d17a |
28415414650 has 24 divisors (see below), whose sum is σ = 60403053600. Its totient is φ = 9742427760.
The previous prime is 28415414627. The next prime is 28415414659. The reversal of 28415414650 is 5641451482.
It is not an unprimeable number, because it can be changed into a prime (28415414659) 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 11 ways as a sum of consecutive naturals, for example, 40593100 + ... + 40593799.
It is an arithmetic number, because the mean of its divisors is an integer number (2516793900).
Almost surely, 228415414650 is an apocalyptic number.
28415414650 is an abundant number, since it is smaller than the sum of its proper divisors (31987638950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28415414650 is a wasteful number, since it uses less digits than its factorization.
28415414650 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81186918 (or 81186913 counting only the distinct ones).
The product of its (nonzero) digits is 153600, while the sum is 40.
The spelling of 28415414650 in words is "twenty-eight billion, four hundred fifteen million, four hundred fourteen thousand, six hundred fifty".
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