Base | Representation |
---|---|
bin | 1101001010011110000101… |
… | …11100111110100101110111 |
3 | 10210111022102001121121001111 |
4 | 12211033002330332211313 |
5 | 12243232032133411123 |
6 | 141322032121335451 |
7 | 6045233005624111 |
oct | 645170274764567 |
9 | 123438361547044 |
10 | 28947055372663 |
11 | 9250417122aaa |
12 | 32b6172337587 |
13 | 131c90733916c |
14 | 72108b5023b1 |
15 | 352ea541590d |
hex | 1a53c2f3e977 |
28947055372663 has 2 divisors, whose sum is σ = 28947055372664. Its totient is φ = 28947055372662.
The previous prime is 28947055372657. The next prime is 28947055372693. The reversal of 28947055372663 is 36627355074982.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 28947055372663 - 241 = 26748032117111 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28947055372693) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14473527686331 + 14473527686332.
It is an arithmetic number, because the mean of its divisors is an integer number (14473527686332).
Almost surely, 228947055372663 is an apocalyptic number.
28947055372663 is a deficient number, since it is larger than the sum of its proper divisors (1).
28947055372663 is an equidigital number, since it uses as much as digits as its factorization.
28947055372663 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 457228800, while the sum is 67.
The spelling of 28947055372663 in words is "twenty-eight trillion, nine hundred forty-seven billion, fifty-five million, three hundred seventy-two thousand, six hundred sixty-three".
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