Base | Representation |
---|---|
bin | 10000111101110000… |
… | …01110010100001010 |
3 | 212111202021211010110 |
4 | 20132320032110022 |
5 | 122123121133040 |
6 | 4103435455150 |
7 | 441463431015 |
oct | 103670162412 |
9 | 25452254113 |
10 | 9107989770 |
11 | 395424a580 |
12 | 19222b74b6 |
13 | b21c60679 |
14 | 6258c637c |
15 | 38490d980 |
hex | 21ee0e50a |
9107989770 has 64 divisors (see below), whose sum is σ = 23855596416. Its totient is φ = 2207143680.
The previous prime is 9107989769. The next prime is 9107989783. The reversal of 9107989770 is 779897019.
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 9107989770.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1447872 + ... + 1454148.
It is an arithmetic number, because the mean of its divisors is an integer number (372743694).
Almost surely, 29107989770 is an apocalyptic number.
9107989770 is an abundant number, since it is smaller than the sum of its proper divisors (14747606646).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9107989770 is a wasteful number, since it uses less digits than its factorization.
9107989770 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10695.
The product of its (nonzero) digits is 2000376, while the sum is 57.
The square root of 9107989770 is about 95435.7887272904. The cubic root of 9107989770 is about 2088.3703152407.
The spelling of 9107989770 in words is "nine billion, one hundred seven million, nine hundred eighty-nine thousand, seven hundred seventy".
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