Base | Representation |
---|---|
bin | 11010110001111100… |
… | …111100010001110011 |
3 | 2202020000020221211002 |
4 | 122301330330101303 |
5 | 432342332042142 |
6 | 21113210512215 |
7 | 2035404261404 |
oct | 326174742163 |
9 | 82200227732 |
10 | 28755346547 |
11 | 11216709514 |
12 | 56a613566b |
13 | 2933567c75 |
14 | 156b0139ab |
15 | b3471ca32 |
hex | 6b1f3c473 |
28755346547 has 8 divisors (see below), whose sum is σ = 29125957200. Its totient is φ = 28387104480.
The previous prime is 28755346537. The next prime is 28755346549. The reversal of 28755346547 is 74564355782.
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 28755346547 - 234 = 11575477363 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28755346492 and 28755346501.
It is not an unprimeable number, because it can be changed into a prime (28755346549) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567704 + ... + 616277.
It is an arithmetic number, because the mean of its divisors is an integer number (3640744650).
Almost surely, 228755346547 is an apocalyptic number.
28755346547 is a deficient number, since it is larger than the sum of its proper divisors (370610653).
28755346547 is a wasteful number, since it uses less digits than its factorization.
28755346547 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1184293.
The product of its digits is 28224000, while the sum is 56.
The spelling of 28755346547 in words is "twenty-eight billion, seven hundred fifty-five million, three hundred forty-six thousand, five hundred forty-seven".
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