Base | Representation |
---|---|
bin | 1101010001101110… |
… | …10001110111001110 |
3 | 200101202122110211221 |
4 | 12220313101313032 |
5 | 104044233440140 |
6 | 3135150233554 |
7 | 341432155345 |
oct | 65067216716 |
9 | 20352573757 |
10 | 7128030670 |
11 | 3028650a42 |
12 | 146b1b58ba |
13 | 8979b2237 |
14 | 4b8966b5c |
15 | 2baba914a |
hex | 1a8dd1dce |
7128030670 has 16 divisors (see below), whose sum is σ = 12832249680. Its totient is φ = 2850813504.
The previous prime is 7128030667. The next prime is 7128030673. The reversal of 7128030670 is 760308217.
It is an interprime number because it is at equal distance from previous prime (7128030667) and next prime (7128030673).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7128030673) 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 7 ways as a sum of consecutive naturals, for example, 31561 + ... + 123499.
It is an arithmetic number, because the mean of its divisors is an integer number (802015605).
Almost surely, 27128030670 is an apocalyptic number.
7128030670 is a deficient number, since it is larger than the sum of its proper divisors (5704219010).
7128030670 is a wasteful number, since it uses less digits than its factorization.
7128030670 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99699.
The product of its (nonzero) digits is 14112, while the sum is 34.
The square root of 7128030670 is about 84427.6653117922. The cubic root of 7128030670 is about 1924.5233582370.
Adding to 7128030670 its reverse (760308217), we get a palindrome (7888338887).
The spelling of 7128030670 in words is "seven billion, one hundred twenty-eight million, thirty thousand, six hundred seventy".
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