Base | Representation |
---|---|
bin | 10000111001100100… |
… | …00001001110111101 |
3 | 212102022002110001000 |
4 | 20130302001032331 |
5 | 122040114341033 |
6 | 4100141440513 |
7 | 440555413611 |
oct | 103462011675 |
9 | 25368073030 |
10 | 9072808893 |
11 | 3936400675 |
12 | 1912570139 |
13 | b17893495 |
14 | 620d69341 |
15 | 3817aea13 |
hex | 21cc813bd |
9072808893 has 8 divisors (see below), whose sum is σ = 13441198400. Its totient is φ = 6048539244.
The previous prime is 9072808859. The next prime is 9072808907. The reversal of 9072808893 is 3988082709.
It is not a de Polignac number, because 9072808893 - 210 = 9072807869 is a prime.
It is a super-2 number, since 2×90728088932 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9072808993) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168014953 + ... + 168015006.
It is an arithmetic number, because the mean of its divisors is an integer number (1680149800).
Almost surely, 29072808893 is an apocalyptic number.
It is an amenable number.
9072808893 is a deficient number, since it is larger than the sum of its proper divisors (4368389507).
9072808893 is a wasteful number, since it uses less digits than its factorization.
9072808893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 336029968 (or 336029962 counting only the distinct ones).
The product of its (nonzero) digits is 1741824, while the sum is 54.
The square root of 9072808893 is about 95251.2933927934. The cubic root of 9072808893 is about 2085.6779721624.
The spelling of 9072808893 in words is "nine billion, seventy-two million, eight hundred eight thousand, eight hundred ninety-three".
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