Base | Representation |
---|---|
bin | 11010100001111011… |
… | …100001010011100111 |
3 | 2201112021110002110102 |
4 | 122201323201103213 |
5 | 431320023212341 |
6 | 21030405214315 |
7 | 2025631403366 |
oct | 324173412347 |
9 | 81467402412 |
10 | 28486538471 |
11 | 110989a9a86 |
12 | 563010139b |
13 | 28bc96b831 |
14 | 154343d7dd |
15 | b1ad20c9b |
hex | 6a1ee14e7 |
28486538471 has 2 divisors, whose sum is σ = 28486538472. Its totient is φ = 28486538470.
The previous prime is 28486538449. The next prime is 28486538501. The reversal of 28486538471 is 17483568482.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 28486538471 - 26 = 28486538407 is a prime.
It is a super-3 number, since 3×284865384713 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28486538411) 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 as a sum of consecutive naturals, namely, 14243269235 + 14243269236.
It is an arithmetic number, because the mean of its divisors is an integer number (14243269236).
Almost surely, 228486538471 is an apocalyptic number.
28486538471 is a deficient number, since it is larger than the sum of its proper divisors (1).
28486538471 is an equidigital number, since it uses as much as digits as its factorization.
28486538471 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 10321920, while the sum is 56.
The spelling of 28486538471 in words is "twenty-eight billion, four hundred eighty-six million, five hundred thirty-eight thousand, four hundred seventy-one".
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