Base | Representation |
---|---|
bin | 11010010110111111… |
… | …111110101100100001 |
3 | 2201001111101101210221 |
4 | 122112333332230201 |
5 | 430431102024144 |
6 | 21000254523041 |
7 | 2021243605525 |
oct | 322677765441 |
9 | 81044341727 |
10 | 28303158049 |
11 | 11004438611 |
12 | 559a806481 |
13 | 28909830ca |
14 | 1526d45d85 |
15 | b09b9ad84 |
hex | 696ffeb21 |
28303158049 has 2 divisors, whose sum is σ = 28303158050. Its totient is φ = 28303158048.
The previous prime is 28303158019. The next prime is 28303158073. The reversal of 28303158049 is 94085130382.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 24623886400 + 3679271649 = 156920^2 + 60657^2 .
It is a cyclic number.
It is not a de Polignac number, because 28303158049 - 211 = 28303156001 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 28303157996 and 28303158014.
It is not a weakly prime, because it can be changed into another prime (28303158019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14151579024 + 14151579025.
It is an arithmetic number, because the mean of its divisors is an integer number (14151579025).
Almost surely, 228303158049 is an apocalyptic number.
It is an amenable number.
28303158049 is a deficient number, since it is larger than the sum of its proper divisors (1).
28303158049 is an equidigital number, since it uses as much as digits as its factorization.
28303158049 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 207360, while the sum is 43.
The spelling of 28303158049 in words is "twenty-eight billion, three hundred three million, one hundred fifty-eight thousand, forty-nine".
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