Base | Representation |
---|---|
bin | 10001001011100101… |
… | …01001100001110001 |
3 | 212210211112011120002 |
4 | 20211302221201301 |
5 | 122342314001011 |
6 | 4123141355345 |
7 | 444402304361 |
oct | 104562514161 |
9 | 25724464502 |
10 | 9223968881 |
11 | 3a03765386 |
12 | 1955108b55 |
13 | b3ccaa36a |
14 | 6370769a1 |
15 | 38ebbcc3b |
hex | 225ca9871 |
9223968881 has 4 divisors (see below), whose sum is σ = 9234368832. Its totient is φ = 9213568932.
The previous prime is 9223968841. The next prime is 9223968889. The reversal of 9223968881 is 1888693229.
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-9223968881 is a prime.
It is a super-2 number, since 2×92239688812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (9223968889) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5198645 + ... + 5200418.
It is an arithmetic number, because the mean of its divisors is an integer number (2308592208).
Almost surely, 29223968881 is an apocalyptic number.
It is an amenable number.
9223968881 is a deficient number, since it is larger than the sum of its proper divisors (10399951).
9223968881 is a wasteful number, since it uses less digits than its factorization.
9223968881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10399950.
The product of its digits is 2985984, while the sum is 56.
The square root of 9223968881 is about 96041.4956203828. The cubic root of 9223968881 is about 2097.1972345733.
The spelling of 9223968881 in words is "nine billion, two hundred twenty-three million, nine hundred sixty-eight thousand, eight hundred eighty-one".
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