Search a number
-
+
66102018337 = 310792126903
BaseRepresentation
bin111101100011111111…
…001100000100100001
320022121202121110021101
4331203333030010201
52040334104041322
650211123354401
74530032612425
oct754377140441
9208552543241
1066102018337
1126040958823
1210989522a01
1363059c5324
1432b105ab85
151abd2dd327
hexf63fcc121

66102018337 has 4 divisors (see below), whose sum is σ = 66104176320. Its totient is φ = 66099860356.

The previous prime is 66102018299. The next prime is 66102018349. The reversal of 66102018337 is 73381020166.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66102018337 - 215 = 66101985569 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66102018296 and 66102018305.

It is not an unprimeable number, because it can be changed into a prime (66102018397) 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 3 ways as a sum of consecutive naturals, for example, 1032373 + ... + 1094530.

It is an arithmetic number, because the mean of its divisors is an integer number (16526044080).

Almost surely, 266102018337 is an apocalyptic number.

It is an amenable number.

66102018337 is a deficient number, since it is larger than the sum of its proper divisors (2157983).

66102018337 is a wasteful number, since it uses less digits than its factorization.

66102018337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157982.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 66102018337 in words is "sixty-six billion, one hundred two million, eighteen thousand, three hundred thirty-seven".

Divisors: 1 31079 2126903 66102018337