Base | Representation |
---|---|
bin | 10000110111000101… |
… | …010001111100101001 |
3 | 1201201200212111121112 |
4 | 100313011101330221 |
5 | 244034111002142 |
6 | 12152235320105 |
7 | 1210430314655 |
oct | 206705217451 |
9 | 51650774545 |
10 | 18104000297 |
11 | 7750266419 |
12 | 3612bb0035 |
13 | 1926944b16 |
14 | c3a57da65 |
15 | 70e59d382 |
hex | 437151f29 |
18104000297 has 4 divisors (see below), whose sum is σ = 18109645140. Its totient is φ = 18098355456.
The previous prime is 18104000273. The next prime is 18104000329. The reversal of 18104000297 is 79200040181.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 8474307136 + 9629693161 = 92056^2 + 98131^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-18104000297 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18104000597) 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 3 ways as a sum of consecutive naturals, for example, 2817608 + ... + 2824025.
It is an arithmetic number, because the mean of its divisors is an integer number (4527411285).
Almost surely, 218104000297 is an apocalyptic number.
It is an amenable number.
18104000297 is a deficient number, since it is larger than the sum of its proper divisors (5644843).
18104000297 is an equidigital number, since it uses as much as digits as its factorization.
18104000297 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5644842.
The product of its (nonzero) digits is 4032, while the sum is 32.
The spelling of 18104000297 in words is "eighteen billion, one hundred four million, two hundred ninety-seven", and thus it is an aban number.
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