Base | Representation |
---|---|
bin | 1111000100101000… |
… | …10110000001000000 |
3 | 202212221102201012010 |
4 | 13202110112001000 |
5 | 113033014414133 |
6 | 3414542332520 |
7 | 404345310240 |
oct | 74224260100 |
9 | 22787381163 |
10 | 8091951168 |
11 | 3482771754 |
12 | 1699b8a140 |
13 | 9bc5c91b2 |
14 | 56a9a1b20 |
15 | 325610263 |
hex | 1e2516040 |
8091951168 has 112 divisors (see below), whose sum is σ = 24540447744. Its totient is φ = 2305190400.
The previous prime is 8091951167. The next prime is 8091951209. The reversal of 8091951168 is 8611591908.
It is a tau number, because it is divible by the number of its divisors (112).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is not an unprimeable number, because it can be changed into a prime (8091951167) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457693 + ... + 475043.
Almost surely, 28091951168 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8091951168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12270223872).
8091951168 is an abundant number, since it is smaller than the sum of its proper divisors (16448496576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8091951168 is a wasteful number, since it uses less digits than its factorization.
8091951168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17720 (or 17710 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 48.
The square root of 8091951168 is about 89955.2731528286. The cubic root of 8091951168 is about 2007.6334256735.
The spelling of 8091951168 in words is "eight billion, ninety-one million, nine hundred fifty-one thousand, one hundred sixty-eight".
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