Base | Representation |
---|---|
bin | 1101110101110110… |
… | …00001000100011101 |
3 | 201011212201221010011 |
4 | 12322323001010131 |
5 | 110204314002344 |
6 | 3225212043221 |
7 | 352101314023 |
oct | 67273010435 |
9 | 21155657104 |
10 | 7431000349 |
11 | 3173673603 |
12 | 1534763511 |
13 | 9156ac936 |
14 | 506cb0713 |
15 | 2d75a2d34 |
hex | 1baec111d |
7431000349 has 2 divisors, whose sum is σ = 7431000350. Its totient is φ = 7431000348.
The previous prime is 7431000299. The next prime is 7431000383. The reversal of 7431000349 is 9430001347.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7190192025 + 240808324 = 84795^2 + 15518^2 .
It is a cyclic number.
It is not a de Polignac number, because 7431000349 - 27 = 7431000221 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 7431000349.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7431000389) 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, 3715500174 + 3715500175.
It is an arithmetic number, because the mean of its divisors is an integer number (3715500175).
Almost surely, 27431000349 is an apocalyptic number.
It is an amenable number.
7431000349 is a deficient number, since it is larger than the sum of its proper divisors (1).
7431000349 is an equidigital number, since it uses as much as digits as its factorization.
7431000349 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 9072, while the sum is 31.
The square root of 7431000349 is about 86203.2502229469. The cubic root of 7431000349 is about 1951.4125508374.
The spelling of 7431000349 in words is "seven billion, four hundred thirty-one million, three hundred forty-nine", and thus it is an aban number.
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