Base | Representation |
---|---|
bin | 1100101111010001110001… |
… | …11011000100000111101111 |
3 | 10200011222202102210220000022 |
4 | 12113220320323010013233 |
5 | 12132430033304240413 |
6 | 135324512110552355 |
7 | 5620565414555024 |
oct | 627507073040757 |
9 | 120158672726008 |
10 | 28012731711983 |
11 | 8a20150840997 |
12 | 318507b2086bb |
13 | 1282787803085 |
14 | 6cbb7578954b |
15 | 338a1e905608 |
hex | 197a38ec41ef |
28012731711983 has 2 divisors, whose sum is σ = 28012731711984. Its totient is φ = 28012731711982.
The previous prime is 28012731711967. The next prime is 28012731712051. The reversal of 28012731711983 is 38911713721082.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 28012731711983 - 24 = 28012731711967 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28012731711683) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14006365855991 + 14006365855992.
It is an arithmetic number, because the mean of its divisors is an integer number (14006365855992).
Almost surely, 228012731711983 is an apocalyptic number.
28012731711983 is a deficient number, since it is larger than the sum of its proper divisors (1).
28012731711983 is an equidigital number, since it uses as much as digits as its factorization.
28012731711983 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1016064, while the sum is 53.
The spelling of 28012731711983 in words is "twenty-eight trillion, twelve billion, seven hundred thirty-one million, seven hundred eleven thousand, nine hundred eighty-three".
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