Base | Representation |
---|---|
bin | 1110111001001100… |
… | …01100001011000101 |
3 | 202122020211011111102 |
4 | 13130212030023011 |
5 | 112333431404044 |
6 | 3401233145445 |
7 | 402101406443 |
oct | 73446141305 |
9 | 22566734442 |
10 | 7995966149 |
11 | 3433572796 |
12 | 16719bb285 |
13 | 9a5760022 |
14 | 55bd37b93 |
15 | 31bea024e |
hex | 1dc98c2c5 |
7995966149 has 2 divisors, whose sum is σ = 7995966150. Its totient is φ = 7995966148.
The previous prime is 7995966113. The next prime is 7995966163. The reversal of 7995966149 is 9416695997.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 4268008900 + 3727957249 = 65330^2 + 61057^2 .
It is a cyclic number.
It is not a de Polignac number, because 7995966149 - 216 = 7995900613 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7995966109) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3997983074 + 3997983075.
It is an arithmetic number, because the mean of its divisors is an integer number (3997983075).
Almost surely, 27995966149 is an apocalyptic number.
It is an amenable number.
7995966149 is a deficient number, since it is larger than the sum of its proper divisors (1).
7995966149 is an equidigital number, since it uses as much as digits as its factorization.
7995966149 is an evil number, because the sum of its binary digits is even.
The product of its digits is 33067440, while the sum is 65.
The square root of 7995966149 is about 89420.1663440636. The cubic root of 7995966149 is about 1999.6637892343.
The spelling of 7995966149 in words is "seven billion, nine hundred ninety-five million, nine hundred sixty-six thousand, one hundred forty-nine".
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