Base | Representation |
---|---|
bin | 1000010110101111110001… |
… | …00011011100111011001101 |
3 | 2102001111211220002101002011 |
4 | 10023113320203130323031 |
5 | 4402013412230334302 |
6 | 103024440525101221 |
7 | 3604313351024215 |
oct | 413277043347315 |
9 | 72044756071064 |
10 | 18373745168077 |
11 | 5944297165852 |
12 | 2088b560b7811 |
13 | a33837ba24c0 |
14 | 477418aa3245 |
15 | 21ce238625d7 |
hex | 10b5f88dcecd |
18373745168077 has 8 divisors (see below), whose sum is σ = 19787144660640. Its totient is φ = 16960350601200.
The previous prime is 18373745168059. The next prime is 18373745168167. The reversal of 18373745168077 is 77086154737381.
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 18373745168077 - 215 = 18373745135309 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18373745168047) 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, 11059674 + ... + 12612052.
It is an arithmetic number, because the mean of its divisors is an integer number (2473393082580).
Almost surely, 218373745168077 is an apocalyptic number.
It is an amenable number.
18373745168077 is a deficient number, since it is larger than the sum of its proper divisors (1413399492563).
18373745168077 is a wasteful number, since it uses less digits than its factorization.
18373745168077 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2462843.
The product of its (nonzero) digits is 165957120, while the sum is 67.
The spelling of 18373745168077 in words is "eighteen trillion, three hundred seventy-three billion, seven hundred forty-five million, one hundred sixty-eight thousand, seventy-seven".
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