Base | Representation |
---|---|
bin | 10100000010011… |
… | …10110011011011 |
3 | 102201022002220111 |
4 | 22001032303123 |
5 | 321013014224 |
6 | 24402505151 |
7 | 4110532465 |
oct | 1201166333 |
9 | 381262814 |
10 | 168094939 |
11 | 86981241 |
12 | 483651b7 |
13 | 28a9617c |
14 | 18479135 |
15 | eb55d94 |
hex | a04ecdb |
168094939 has 2 divisors, whose sum is σ = 168094940. Its totient is φ = 168094938.
The previous prime is 168094937. The next prime is 168094943. The reversal of 168094939 is 939490861.
168094939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 168094939 - 21 = 168094937 is a prime.
Together with 168094937, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 168094892 and 168094901.
It is not a weakly prime, because it can be changed into another prime (168094937) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84047469 + 84047470.
It is an arithmetic number, because the mean of its divisors is an integer number (84047470).
Almost surely, 2168094939 is an apocalyptic number.
168094939 is a deficient number, since it is larger than the sum of its proper divisors (1).
168094939 is an equidigital number, since it uses as much as digits as its factorization.
168094939 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 419904, while the sum is 49.
The square root of 168094939 is about 12965.1432309867. The cubic root of 168094939 is about 551.8887559818. Note that the first 3 decimals are identical.
The spelling of 168094939 in words is "one hundred sixty-eight million, ninety-four thousand, nine hundred thirty-nine".
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