Base | Representation |
---|---|
bin | 10001001010111111… |
… | …01100101010011001 |
3 | 212210111011202212221 |
4 | 20211133230222121 |
5 | 122340031012420 |
6 | 4122443104041 |
7 | 444312133615 |
oct | 104537545231 |
9 | 25714152787 |
10 | 9219000985 |
11 | 3a00981987 |
12 | 1953512021 |
13 | b3bc5b08c |
14 | 636542345 |
15 | 38e53acaa |
hex | 2257eca99 |
9219000985 has 8 divisors (see below), whose sum is σ = 11202837120. Its totient is φ = 7281843504.
The previous prime is 9219000971. The next prime is 9219001007. The reversal of 9219000985 is 5890009129.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 9219000985 - 215 = 9218968217 is a prime.
It is a super-2 number, since 2×92190009852 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11669227 + ... + 11670016.
It is an arithmetic number, because the mean of its divisors is an integer number (1400354640).
Almost surely, 29219000985 is an apocalyptic number.
It is an amenable number.
9219000985 is a deficient number, since it is larger than the sum of its proper divisors (1983836135).
9219000985 is a wasteful number, since it uses less digits than its factorization.
9219000985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23339327.
The product of its (nonzero) digits is 58320, while the sum is 43.
The square root of 9219000985 is about 96015.6288580146. The cubic root of 9219000985 is about 2096.8206602774.
The spelling of 9219000985 in words is "nine billion, two hundred nineteen million, nine hundred eighty-five", and thus it is an aban number.
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