Base | Representation |
---|---|
bin | 1101110101100111… |
… | …01011110010010001 |
3 | 201011202010021101000 |
4 | 12322303223302101 |
5 | 110203321000121 |
6 | 3225102532213 |
7 | 352046060001 |
oct | 67263536221 |
9 | 21152107330 |
10 | 7429078161 |
11 | 317258041a |
12 | 1533b97069 |
13 | 915188a4b |
14 | 506930001 |
15 | 2d7323526 |
hex | 1bacebc91 |
7429078161 has 32 divisors (see below), whose sum is σ = 11578608000. Its totient is φ = 4700856384.
The previous prime is 7429078073. The next prime is 7429078199. The reversal of 7429078161 is 1618709247.
It is a happy number.
It is not a de Polignac number, because 7429078161 - 214 = 7429061777 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (7429078061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34210 + ... + 126603.
It is an arithmetic number, because the mean of its divisors is an integer number (361831500).
Almost surely, 27429078161 is an apocalyptic number.
It is an amenable number.
7429078161 is a deficient number, since it is larger than the sum of its proper divisors (4149529839).
7429078161 is a wasteful number, since it uses less digits than its factorization.
7429078161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160910 (or 160904 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 45.
The square root of 7429078161 is about 86192.1003398803. The cubic root of 7429078161 is about 1951.2442780575.
The spelling of 7429078161 in words is "seven billion, four hundred twenty-nine million, seventy-eight thousand, one hundred sixty-one".
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