Base | Representation |
---|---|
bin | 10001011110100101… |
… | …110010001001110001 |
3 | 1210102220002212002210 |
4 | 101132211302021301 |
5 | 301413302112431 |
6 | 12342114202333 |
7 | 1233026304423 |
oct | 213645621161 |
9 | 53386085083 |
10 | 18766832241 |
11 | 7a60429913 |
12 | 3778b833a9 |
13 | 1a0106c681 |
14 | ca0600813 |
15 | 74c87cd46 |
hex | 45e972271 |
18766832241 has 8 divisors (see below), whose sum is σ = 25554835584. Its totient is φ = 12245025200.
The previous prime is 18766832233. The next prime is 18766832339. The reversal of 18766832241 is 14223866781.
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 18766832241 - 23 = 18766832233 is a prime.
It is not an unprimeable number, because it can be changed into a prime (18766832141) 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, 66548910 + ... + 66549191.
It is an arithmetic number, because the mean of its divisors is an integer number (3194354448).
Almost surely, 218766832241 is an apocalyptic number.
It is an amenable number.
18766832241 is a deficient number, since it is larger than the sum of its proper divisors (6788003343).
18766832241 is a wasteful number, since it uses less digits than its factorization.
18766832241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 133098151.
The product of its digits is 774144, while the sum is 48.
The spelling of 18766832241 in words is "eighteen billion, seven hundred sixty-six million, eight hundred thirty-two thousand, two hundred forty-one".
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