Base | Representation |
---|---|
bin | 11010110110111001… |
… | …000000111000010110 |
3 | 2202102210011111100222 |
4 | 122312321000320112 |
5 | 433030034443102 |
6 | 21125330434342 |
7 | 2040431452205 |
oct | 326671007026 |
9 | 82383144328 |
10 | 28838202902 |
11 | 11259460743 |
12 | 5709a329b2 |
13 | 29477884b2 |
14 | 157802123c |
15 | b3bb37aa2 |
hex | 6b6e40e16 |
28838202902 has 8 divisors (see below), whose sum is σ = 43286399136. Its totient is φ = 14409403192.
The previous prime is 28838202901. The next prime is 28838202919. The reversal of 28838202902 is 20920283882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28838202901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4845413 + ... + 4851360.
It is an arithmetic number, because the mean of its divisors is an integer number (5410799892).
Almost surely, 228838202902 is an apocalyptic number.
28838202902 is a deficient number, since it is larger than the sum of its proper divisors (14448196234).
28838202902 is a wasteful number, since it uses less digits than its factorization.
28838202902 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9698262.
The product of its (nonzero) digits is 221184, while the sum is 44.
The spelling of 28838202902 in words is "twenty-eight billion, eight hundred thirty-eight million, two hundred two thousand, nine hundred two".
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