Search a number
-
+
18069011 = 173533011
BaseRepresentation
bin100010011101…
…1011000010011
31021000000000122
41010323120103
514111202021
61443140455
7306404222
oct104733023
937000018
1018069011
11a221574
12607472b
13398852c
142584cb9
1518bdbab
hex113b613

18069011 has 8 divisors (see below), whose sum is σ = 19192464. Its totient is φ = 16952320.

The previous prime is 18068989. The next prime is 18069013. The reversal of 18069011 is 11096081.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-18069011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18069013) 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, 4496 + ... + 7506.

It is an arithmetic number, because the mean of its divisors is an integer number (2399058).

Almost surely, 218069011 is an apocalyptic number.

18069011 is a deficient number, since it is larger than the sum of its proper divisors (1123453).

18069011 is a wasteful number, since it uses less digits than its factorization.

18069011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 18069011 is about 4250.7659309823. The cubic root of 18069011 is about 262.4086381981.

The spelling of 18069011 in words is "eighteen million, sixty-nine thousand, eleven".

Divisors: 1 17 353 3011 6001 51187 1062883 18069011