Base | Representation |
---|---|
bin | 1110111011111001… |
… | …10001011001100011 |
3 | 202200211112021201221 |
4 | 13131330301121203 |
5 | 112410234204021 |
6 | 3403403435511 |
7 | 402465340162 |
oct | 73574613143 |
9 | 22624467657 |
10 | 8018663011 |
11 | 3445365227 |
12 | 1679525b97 |
13 | 9aa378b18 |
14 | 560d653d9 |
15 | 31de85241 |
hex | 1ddf31663 |
8018663011 has 4 divisors (see below), whose sum is σ = 8058958000. Its totient is φ = 7978368024.
The previous prime is 8018662943. The next prime is 8018663047. The reversal of 8018663011 is 1103668108.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-8018663011 is a prime.
It is a super-2 number, since 2×80186630112 (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 (8018663111) 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, 20147196 + ... + 20147593.
It is an arithmetic number, because the mean of its divisors is an integer number (2014739500).
Almost surely, 28018663011 is an apocalyptic number.
8018663011 is a deficient number, since it is larger than the sum of its proper divisors (40294989).
8018663011 is a wasteful number, since it uses less digits than its factorization.
8018663011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40294988.
The product of its (nonzero) digits is 6912, while the sum is 34.
The square root of 8018663011 is about 89546.9877271145. The cubic root of 8018663011 is about 2001.5540430790.
The spelling of 8018663011 in words is "eight billion, eighteen million, six hundred sixty-three thousand, eleven".
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