Base | Representation |
---|---|
bin | 10111101101101111011… |
… | …10111111101010101001 |
3 | 2212220012222222100020220 |
4 | 23312313232333222221 |
5 | 101322233312300443 |
6 | 1422154532040253 |
7 | 112604165233344 |
oct | 13666756775251 |
9 | 2786188870226 |
10 | 814831368873 |
11 | 294628079745 |
12 | 111b05463089 |
13 | 5bab88a24a2 |
14 | 2b61c01145b |
15 | 162e03e6a83 |
hex | bdb7bbfaa9 |
814831368873 has 32 divisors (see below), whose sum is σ = 1137141004032. Its totient is φ = 518479315200.
The previous prime is 814831368859. The next prime is 814831368913. The reversal of 814831368873 is 378863138418.
It is a happy number.
It is not a de Polignac number, because 814831368873 - 210 = 814831367849 is a prime.
It is not an unprimeable number, because it can be changed into a prime (814831328873) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2364268 + ... + 2686898.
It is an arithmetic number, because the mean of its divisors is an integer number (35535656376).
Almost surely, 2814831368873 is an apocalyptic number.
It is an amenable number.
814831368873 is a deficient number, since it is larger than the sum of its proper divisors (322309635159).
814831368873 is a wasteful number, since it uses less digits than its factorization.
814831368873 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 323105.
The product of its digits is 18579456, while the sum is 60.
The spelling of 814831368873 in words is "eight hundred fourteen billion, eight hundred thirty-one million, three hundred sixty-eight thousand, eight hundred seventy-three".
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