Base | Representation |
---|---|
bin | 11010111101100110… |
… | …110101001011011111 |
3 | 2202201122011221000211 |
4 | 122331212311023133 |
5 | 433242411030040 |
6 | 21144433433251 |
7 | 2043300251623 |
oct | 327546651337 |
9 | 82648157024 |
10 | 28950876895 |
11 | 11307019346 |
12 | 573b70b827 |
13 | 2964c189b5 |
14 | 1588d91183 |
15 | b469928ea |
hex | 6bd9b52df |
28950876895 has 8 divisors (see below), whose sum is σ = 34742270304. Its totient is φ = 23159889504.
The previous prime is 28950876893. The next prime is 28950876919. The reversal of 28950876895 is 59867805982.
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 28950876895 - 21 = 28950876893 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 28950876895.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28950876893) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87297 + ... + 255973.
It is an arithmetic number, because the mean of its divisors is an integer number (4342783788).
Almost surely, 228950876895 is an apocalyptic number.
28950876895 is a deficient number, since it is larger than the sum of its proper divisors (5791393409).
28950876895 is a wasteful number, since it uses less digits than its factorization.
28950876895 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 203009.
The product of its (nonzero) digits is 87091200, while the sum is 67.
The spelling of 28950876895 in words is "twenty-eight billion, nine hundred fifty million, eight hundred seventy-six thousand, eight hundred ninety-five".
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