Base | Representation |
---|---|
bin | 1101001011011100… |
… | …01100010100011101 |
3 | 200021002110100022120 |
4 | 12211232030110131 |
5 | 103442240121041 |
6 | 3130024333153 |
7 | 340222126263 |
oct | 64556142435 |
9 | 20232410276 |
10 | 7075317021 |
11 | 3000917443 |
12 | 14556141b9 |
13 | 889ab6926 |
14 | 4b1964433 |
15 | 2b6245366 |
hex | 1a5b8c51d |
7075317021 has 12 divisors (see below), whose sum is σ = 9770278752. Its totient is φ = 4554225424.
The previous prime is 7075317019. The next prime is 7075317083. The reversal of 7075317021 is 1207135707.
It is not a de Polignac number, because 7075317021 - 21 = 7075317019 is a prime.
It is a super-2 number, since 2×70753170212 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7075316021) 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 11 ways as a sum of consecutive naturals, for example, 1399641 + ... + 1404686.
It is an arithmetic number, because the mean of its divisors is an integer number (814189896).
Almost surely, 27075317021 is an apocalyptic number.
It is an amenable number.
7075317021 is a deficient number, since it is larger than the sum of its proper divisors (2694961731).
7075317021 is a wasteful number, since it uses less digits than its factorization.
7075317021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2804388 (or 2804359 counting only the distinct ones).
The product of its (nonzero) digits is 10290, while the sum is 33.
The square root of 7075317021 is about 84114.9036794313. The cubic root of 7075317021 is about 1919.7674976167.
The spelling of 7075317021 in words is "seven billion, seventy-five million, three hundred seventeen thousand, twenty-one".
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