Base | Representation |
---|---|
bin | 10000011010000111… |
… | …11001101001110101 |
3 | 211201220210122220211 |
4 | 20031003321221311 |
5 | 121020104422411 |
6 | 4014040425421 |
7 | 431203532350 |
oct | 101503715165 |
9 | 24656718824 |
10 | 8809060981 |
11 | 3810537996 |
12 | 185a178271 |
13 | aa5049326 |
14 | 5d7d11297 |
15 | 368562221 |
hex | 20d0f9a75 |
8809060981 has 4 divisors (see below), whose sum is σ = 10067498272. Its totient is φ = 7550623692.
The previous prime is 8809060961. The next prime is 8809060999. The reversal of 8809060981 is 1890609088.
It is a happy number.
8809060981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-8809060981 is a prime.
It is a super-2 number, since 2×88090609812 (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 (8809060961) 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 3 ways as a sum of consecutive naturals, for example, 629218635 + ... + 629218648.
It is an arithmetic number, because the mean of its divisors is an integer number (2516874568).
Almost surely, 28809060981 is an apocalyptic number.
It is an amenable number.
8809060981 is a deficient number, since it is larger than the sum of its proper divisors (1258437291).
8809060981 is a wasteful number, since it uses less digits than its factorization.
8809060981 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1258437290.
The product of its (nonzero) digits is 248832, while the sum is 49.
The square root of 8809060981 is about 93856.5979619973. The cubic root of 8809060981 is about 2065.2685840991.
The spelling of 8809060981 in words is "eight billion, eight hundred nine million, sixty thousand, nine hundred eighty-one".
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