Search a number
-
+
18480169706 = 29240084853
BaseRepresentation
bin10001001101100000…
…010000001011101010
31202200220200220000212
4101031200100023222
5300321410412311
612253434101122
71222645564535
oct211540201352
952626626025
1018480169706
117923635029
1236b8b7a7a2
13198686157b
14c744dda1c
15732605c8b
hex44d8102ea

18480169706 has 4 divisors (see below), whose sum is σ = 27720254562. Its totient is φ = 9240084852.

The previous prime is 18480169703. The next prime is 18480169759. The reversal of 18480169706 is 60796108481.

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

It can be written as a sum of positive squares in only one way, i.e., 18209073481 + 271096225 = 134941^2 + 16465^2 .

It is not an unprimeable number, because it can be changed into a prime (18480169703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4620042425 + ... + 4620042428.

Almost surely, 218480169706 is an apocalyptic number.

18480169706 is a deficient number, since it is larger than the sum of its proper divisors (9240084856).

18480169706 is an equidigital number, since it uses as much as digits as its factorization.

18480169706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9240084855.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 18480169706 in words is "eighteen billion, four hundred eighty million, one hundred sixty-nine thousand, seven hundred six".

Divisors: 1 2 9240084853 18480169706