Search a number
-
+
18269024961379 = 21186583056689
BaseRepresentation
bin1000010011101100101101…
…01111100100001101100011
32101200111112202112200112011
410021312112233210031203
54343304430342231004
6102504401343413351
73563615316661153
oct411662657441543
971614482480464
1018269024961379
115903939355585
1220707ab5b4257
13a269b94a875a
14472322bb4763
1521a34503d004
hex109d96be4363

18269024961379 has 4 divisors (see below), whose sum is σ = 18355608018280. Its totient is φ = 18182441904480.

The previous prime is 18269024961371. The next prime is 18269024961433. The reversal of 18269024961379 is 97316942096281.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18269024961379 - 23 = 18269024961371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18269024961371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43291528134 + ... + 43291528555.

It is an arithmetic number, because the mean of its divisors is an integer number (4588902004570).

Almost surely, 218269024961379 is an apocalyptic number.

18269024961379 is a deficient number, since it is larger than the sum of its proper divisors (86583056901).

18269024961379 is an equidigital number, since it uses as much as digits as its factorization.

18269024961379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86583056900.

The product of its (nonzero) digits is 70543872, while the sum is 67.

The spelling of 18269024961379 in words is "eighteen trillion, two hundred sixty-nine billion, twenty-four million, nine hundred sixty-one thousand, three hundred seventy-nine".

Divisors: 1 211 86583056689 18269024961379