Base | Representation |
---|---|
bin | 1111001010111011… |
… | …10101111011110000 |
3 | 210000121211022220122 |
4 | 13211131311323300 |
5 | 113140030212343 |
6 | 3424110425412 |
7 | 405556266302 |
oct | 74535657360 |
9 | 23017738818 |
10 | 8144772848 |
11 | 34aa56a433 |
12 | 16b3802268 |
13 | 9ca531a24 |
14 | 5739d1972 |
15 | 32a096068 |
hex | 1e5775ef0 |
8144772848 has 20 divisors (see below), whose sum is σ = 16289546688. Its totient is φ = 3941018880.
The previous prime is 8144772847. The next prime is 8144772859. The reversal of 8144772848 is 8482774418.
8144772848 is an admirable number.
It is a super-2 number, since 2×81447728482 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 8144772848.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8144772847) 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, 8209961 + ... + 8210952.
Almost surely, 28144772848 is an apocalyptic number.
It is an amenable number.
8144772848 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8144772848 is a wasteful number, since it uses less digits than its factorization.
8144772848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16420952 (or 16420946 counting only the distinct ones).
The product of its digits is 3211264, while the sum is 53.
The square root of 8144772848 is about 90248.3952655115. The cubic root of 8144772848 is about 2011.9923520216.
The spelling of 8144772848 in words is "eight billion, one hundred forty-four million, seven hundred seventy-two thousand, eight hundred forty-eight".
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