Base | Representation |
---|---|
bin | 11010011011100101… |
… | …110011011101000011 |
3 | 2201020212022122021102 |
4 | 122123211303131003 |
5 | 431110311313324 |
6 | 21012045445015 |
7 | 2023200366245 |
oct | 323345633503 |
9 | 81225278242 |
10 | 28380182339 |
11 | 11043967053 |
12 | 560057076b |
13 | 28a3910c02 |
14 | 1533276095 |
15 | b11812dae |
hex | 69b973743 |
28380182339 has 2 divisors, whose sum is σ = 28380182340. Its totient is φ = 28380182338.
The previous prime is 28380182323. The next prime is 28380182357. The reversal of 28380182339 is 93328108382.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 28380182339 - 24 = 28380182323 is a prime.
It is a Sophie Germain prime.
It is a junction number, because it is equal to n+sod(n) for n = 28380182293 and 28380182302.
It is not a weakly prime, because it can be changed into another prime (28380182309) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14190091169 + 14190091170.
It is an arithmetic number, because the mean of its divisors is an integer number (14190091170).
Almost surely, 228380182339 is an apocalyptic number.
28380182339 is a deficient number, since it is larger than the sum of its proper divisors (1).
28380182339 is an equidigital number, since it uses as much as digits as its factorization.
28380182339 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 497664, while the sum is 47.
The spelling of 28380182339 in words is "twenty-eight billion, three hundred eighty million, one hundred eighty-two thousand, three hundred thirty-nine".
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