Base | Representation |
---|---|
bin | 1100101111001101… |
… | …00100100010001111 |
3 | 122122120201122102122 |
4 | 12113212210202033 |
5 | 103001120004111 |
6 | 3050323243155 |
7 | 331314523055 |
oct | 62746444217 |
9 | 18576648378 |
10 | 6838438031 |
11 | 299a135787 |
12 | 13aa2194bb |
13 | 84c9b9549 |
14 | 48c3021d5 |
15 | 2a0553cdb |
hex | 1979a488f |
6838438031 has 2 divisors, whose sum is σ = 6838438032. Its totient is φ = 6838438030.
The previous prime is 6838437997. The next prime is 6838438073. The reversal of 6838438031 is 1308348386.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-6838438031 is a prime.
It is a super-2 number, since 2×68384380312 = 93528469407654313922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (6838438091) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3419219015 + 3419219016.
It is an arithmetic number, because the mean of its divisors is an integer number (3419219016).
Almost surely, 26838438031 is an apocalyptic number.
6838438031 is a deficient number, since it is larger than the sum of its proper divisors (1).
6838438031 is an equidigital number, since it uses as much as digits as its factorization.
6838438031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 331776, while the sum is 44.
The square root of 6838438031 is about 82694.8488782705. The cubic root of 6838438031 is about 1898.0994875127.
The spelling of 6838438031 in words is "six billion, eight hundred thirty-eight million, four hundred thirty-eight thousand, thirty-one".
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