Search a number
-
+
18716771360045 = 511340304933819
BaseRepresentation
bin1000100000101110101101…
…00000100001110100101101
32110021022020222101102021202
410100113112200201310231
54423123421432010140
6103450211022535245
73641146020401513
oct420272640416455
973238228342252
1018716771360045
115a6681353a990
122123528a37525
13a59ca3a087a5
14489c7a2764b3
15226ced522915
hex1105d6821d2d

18716771360045 has 8 divisors (see below), whose sum is σ = 24501955235040. Its totient is φ = 13612197352720.

The previous prime is 18716771360041. The next prime is 18716771360051. The reversal of 18716771360045 is 54006317761781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18716771360045 - 22 = 18716771360041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18716771360041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170152466855 + ... + 170152466964.

It is an arithmetic number, because the mean of its divisors is an integer number (3062744404380).

Almost surely, 218716771360045 is an apocalyptic number.

It is an amenable number.

18716771360045 is a deficient number, since it is larger than the sum of its proper divisors (5785183874995).

18716771360045 is a wasteful number, since it uses less digits than its factorization.

18716771360045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340304933835.

The product of its (nonzero) digits is 5927040, while the sum is 56.

The spelling of 18716771360045 in words is "eighteen trillion, seven hundred sixteen billion, seven hundred seventy-one million, three hundred sixty thousand, forty-five".

Divisors: 1 5 11 55 340304933819 1701524669095 3743354272009 18716771360045