Base | Representation |
---|---|
bin | 1110110011101100… |
… | …10100010101100001 |
3 | 202112001001211211021 |
4 | 13121312110111201 |
5 | 112240131042431 |
6 | 3352505045441 |
7 | 401001466636 |
oct | 73166242541 |
9 | 22461054737 |
10 | 7949862241 |
11 | 340a543192 |
12 | 165a486881 |
13 | 99903a0c9 |
14 | 555b7618d |
15 | 317de4b11 |
hex | 1d9d94561 |
7949862241 has 2 divisors, whose sum is σ = 7949862242. Its totient is φ = 7949862240.
The previous prime is 7949862233. The next prime is 7949862251. The reversal of 7949862241 is 1422689497.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 6291662400 + 1658199841 = 79320^2 + 40721^2 .
It is a cyclic number.
It is not a de Polignac number, because 7949862241 - 23 = 7949862233 is a prime.
It is not a weakly prime, because it can be changed into another prime (7949862211) 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, 3974931120 + 3974931121.
It is an arithmetic number, because the mean of its divisors is an integer number (3974931121).
Almost surely, 27949862241 is an apocalyptic number.
It is an amenable number.
7949862241 is a deficient number, since it is larger than the sum of its proper divisors (1).
7949862241 is an equidigital number, since it uses as much as digits as its factorization.
7949862241 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1741824, while the sum is 52.
The square root of 7949862241 is about 89161.9999831767. Note that the first 4 decimals coincide. The cubic root of 7949862241 is about 1995.8130944440.
The spelling of 7949862241 in words is "seven billion, nine hundred forty-nine million, eight hundred sixty-two thousand, two hundred forty-one".
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