Base | Representation |
---|---|
bin | 1110111011001110… |
… | …01111111101111001 |
3 | 202200102220122102101 |
4 | 13131213033331321 |
5 | 112402313133144 |
6 | 3403042503401 |
7 | 402366361255 |
oct | 73547177571 |
9 | 22612818371 |
10 | 8013021049 |
11 | 3442161350 |
12 | 1677664b61 |
13 | 9a9151a97 |
14 | 5602d7265 |
15 | 31d71d6d4 |
hex | 1dd9cff79 |
8013021049 has 8 divisors (see below), whose sum is σ = 8743413600. Its totient is φ = 7282951200.
The previous prime is 8013021047. The next prime is 8013021053. The reversal of 8013021049 is 9401203108.
It is a happy number.
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 8013021049 - 21 = 8013021047 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8013021041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27207 + ... + 129484.
It is an arithmetic number, because the mean of its divisors is an integer number (1092926700).
Almost surely, 28013021049 is an apocalyptic number.
It is an amenable number.
8013021049 is a deficient number, since it is larger than the sum of its proper divisors (730392551).
8013021049 is a wasteful number, since it uses less digits than its factorization.
8013021049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161351.
The product of its (nonzero) digits is 1728, while the sum is 28.
The square root of 8013021049 is about 89515.4793820599. The cubic root of 8013021049 is about 2001.0844992411.
The spelling of 8013021049 in words is "eight billion, thirteen million, twenty-one thousand, forty-nine".
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