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18041307327 = 3219731016011
BaseRepresentation
bin10000110011010110…
…001000000010111111
31201120022220101000200
4100303112020002333
5243422033313302
612142115454543
71206036403431
oct206326100277
951508811020
1018041307327
11771893624a
1235b5bb7453
1319169641a4
14c32100651
15708d1781c
hex4335880bf

18041307327 has 12 divisors (see below), whose sum is σ = 26072899944. Its totient is φ = 12021430320.

The previous prime is 18041307313. The next prime is 18041307359. The reversal of 18041307327 is 72370314081.

It is not a de Polignac number, because 18041307327 - 222 = 18037113023 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18041307291 and 18041307300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18041307127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 490249 + ... + 525762.

It is an arithmetic number, because the mean of its divisors is an integer number (2172741662).

Almost surely, 218041307327 is an apocalyptic number.

18041307327 is a deficient number, since it is larger than the sum of its proper divisors (8031592617).

18041307327 is a wasteful number, since it uses less digits than its factorization.

18041307327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017990 (or 1017987 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 18041307327 in words is "eighteen billion, forty-one million, three hundred seven thousand, three hundred twenty-seven".

Divisors: 1 3 9 1973 5919 17757 1016011 3048033 9144099 2004589703 6013769109 18041307327