Base | Representation |
---|---|
bin | 10000110111001110… |
… | …101001110010010001 |
3 | 1201201212111022220011 |
4 | 100313032221302101 |
5 | 244040223112413 |
6 | 12152404114521 |
7 | 1210460230024 |
oct | 206716516221 |
9 | 51655438804 |
10 | 18106457233 |
11 | 7751694347 |
12 | 3613995a41 |
13 | 19272c5227 |
14 | c3aa1d1bb |
15 | 70e8d633d |
hex | 4373a9c91 |
18106457233 has 8 divisors (see below), whose sum is σ = 19404335808. Its totient is φ = 16851132144.
The previous prime is 18106457207. The next prime is 18106457273. The reversal of 18106457233 is 33275460181.
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 18106457233 - 29 = 18106456721 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18106457273) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10637491 + ... + 10639192.
It is an arithmetic number, because the mean of its divisors is an integer number (2425541976).
Almost surely, 218106457233 is an apocalyptic number.
It is an amenable number.
18106457233 is a deficient number, since it is larger than the sum of its proper divisors (1297878575).
18106457233 is a wasteful number, since it uses less digits than its factorization.
18106457233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21276743.
The product of its (nonzero) digits is 120960, while the sum is 40.
The spelling of 18106457233 in words is "eighteen billion, one hundred six million, four hundred fifty-seven thousand, two hundred thirty-three".
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