Base | Representation |
---|---|
bin | 1111100010011010… |
… | …01111111010001101 |
3 | 210112100110202221002 |
4 | 13301031033322031 |
5 | 114040441440024 |
6 | 3455424350045 |
7 | 413500462031 |
oct | 76115177215 |
9 | 23470422832 |
10 | 8341749389 |
11 | 35a0777866 |
12 | 1749775325 |
13 | a2c29aaac |
14 | 591c281c1 |
15 | 33c5046ae |
hex | 1f134fe8d |
8341749389 has 2 divisors, whose sum is σ = 8341749390. Its totient is φ = 8341749388.
The previous prime is 8341749371. The next prime is 8341749391. The reversal of 8341749389 is 9839471438.
8341749389 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 5826726889 + 2515022500 = 76333^2 + 50150^2 .
It is a cyclic number.
It is not a de Polignac number, because 8341749389 - 28 = 8341749133 is a prime.
Together with 8341749391, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (8341749349) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4170874694 + 4170874695.
It is an arithmetic number, because the mean of its divisors is an integer number (4170874695).
Almost surely, 28341749389 is an apocalyptic number.
It is an amenable number.
8341749389 is a deficient number, since it is larger than the sum of its proper divisors (1).
8341749389 is an equidigital number, since it uses as much as digits as its factorization.
8341749389 is an evil number, because the sum of its binary digits is even.
The product of its digits is 5225472, while the sum is 56.
The square root of 8341749389 is about 91333.1779201841. The cubic root of 8341749389 is about 2028.0829442330.
The spelling of 8341749389 in words is "eight billion, three hundred forty-one million, seven hundred forty-nine thousand, three hundred eighty-nine".
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