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18030060606 = 235081591421
BaseRepresentation
bin10000110010101011…
…001110010000111110
31201112112201222102110
4100302223032100332
5243411143414411
612141034434450
71205541662235
oct206253162076
951475658373
1018030060606
117712554438
1235b2292a26
13191452701c
14c30813b1c
15707d452a6
hex432ace43e

18030060606 has 16 divisors (see below), whose sum is σ = 36067279248. Its totient is φ = 6008827200.

The previous prime is 18030060577. The next prime is 18030060683. The reversal of 18030060606 is 60606003081.

18030060606 is a modest number, since divided by 60606 gives 18030 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265225 + ... + 326196.

It is an arithmetic number, because the mean of its divisors is an integer number (2254204953).

Almost surely, 218030060606 is an apocalyptic number.

18030060606 is an abundant number, since it is smaller than the sum of its proper divisors (18037218642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18030060606 is a wasteful number, since it uses less digits than its factorization.

18030060606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596507.

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 18030060606 its reverse (60606003081), we get a palindrome (78636063687).

The spelling of 18030060606 in words is "eighteen billion, thirty million, sixty thousand, six hundred six".

Divisors: 1 2 3 6 5081 10162 15243 30486 591421 1182842 1774263 3548526 3005010101 6010020202 9015030303 18030060606