Base | Representation |
---|---|
bin | 11010011101100011… |
… | …100011101011000011 |
3 | 2201100011100110110000 |
4 | 122131203203223003 |
5 | 431142231212333 |
6 | 21015224211043 |
7 | 2024050525503 |
oct | 323543435303 |
9 | 81304313400 |
10 | 28413147843 |
11 | 11060532573 |
12 | 560b609a83 |
13 | 28aa6b3922 |
14 | 15377b7a03 |
15 | b14675713 |
hex | 69d8e3ac3 |
28413147843 has 40 divisors (see below), whose sum is σ = 43199584560. Its totient is φ = 18605583360.
The previous prime is 28413147823. The next prime is 28413147853. The reversal of 28413147843 is 34874131482.
28413147843 is a `hidden beast` number, since 2 + 8 + 4 + 131 + 478 + 43 = 666.
It is a Cunningham number, because it is equal to 1685622-1.
It is not a de Polignac number, because 28413147843 - 214 = 28413131459 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28413147803) 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 39 ways as a sum of consecutive naturals, for example, 9943671 + ... + 9946527.
It is an arithmetic number, because the mean of its divisors is an integer number (1079989614).
Almost surely, 228413147843 is an apocalyptic number.
28413147843 is a deficient number, since it is larger than the sum of its proper divisors (14786436717).
28413147843 is a wasteful number, since it uses less digits than its factorization.
28413147843 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5009 (or 5000 counting only the distinct ones).
The product of its digits is 516096, while the sum is 45.
The spelling of 28413147843 in words is "twenty-eight billion, four hundred thirteen million, one hundred forty-seven thousand, eight hundred forty-three".
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