Base | Representation |
---|---|
bin | 1101110100101010… |
… | …00011110100110001 |
3 | 201011012000102000200 |
4 | 12322111003310301 |
5 | 110144242101121 |
6 | 3224214505413 |
7 | 351620612520 |
oct | 67225036461 |
9 | 21135012020 |
10 | 7421050161 |
11 | 3168a97908 |
12 | 1531365269 |
13 | 913607955 |
14 | 5058404b7 |
15 | 2d6789a26 |
hex | 1ba543d31 |
7421050161 has 24 divisors (see below), whose sum is σ = 12363024960. Its totient is φ = 4201691616.
The previous prime is 7421050159. The next prime is 7421050213. The reversal of 7421050161 is 1610501247.
It is a happy number.
It is not a de Polignac number, because 7421050161 - 21 = 7421050159 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (7421000161) 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 in 23 ways as a sum of consecutive naturals, for example, 533475 + ... + 547208.
It is an arithmetic number, because the mean of its divisors is an integer number (515126040).
Almost surely, 27421050161 is an apocalyptic number.
It is an amenable number.
7421050161 is a deficient number, since it is larger than the sum of its proper divisors (4941974799).
7421050161 is a wasteful number, since it uses less digits than its factorization.
7421050161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1080805 (or 1080802 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 27.
The square root of 7421050161 is about 86145.5173587111. The cubic root of 7421050161 is about 1950.5411744513.
The spelling of 7421050161 in words is "seven billion, four hundred twenty-one million, fifty thousand, one hundred sixty-one".
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