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18182010011 = 111652910001
BaseRepresentation
bin10000111011101110…
…110111010010011011
31201221010122210211012
4100323232313102123
5244214043310021
612204103324135
71212365351354
oct207356672233
951833583735
1018182010011
1177902a8260
12363515064b
131939b59309
14c46a88d2b
1571635c35b
hex43bbb749b

18182010011 has 4 divisors (see below), whose sum is σ = 19834920024. Its totient is φ = 16529100000.

The previous prime is 18182009987. The next prime is 18182010023. The reversal of 18182010011 is 11001028181.

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 18182010011 - 230 = 17108268187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18182010031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826454990 + ... + 826455011.

It is an arithmetic number, because the mean of its divisors is an integer number (4958730006).

Almost surely, 218182010011 is an apocalyptic number.

18182010011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

18182010011 is a deficient number, since it is larger than the sum of its proper divisors (1652910013).

18182010011 is a wasteful number, since it uses less digits than its factorization.

18182010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652910012.

The product of its (nonzero) digits is 128, while the sum is 23.

Adding to 18182010011 its reverse (11001028181), we get a palindrome (29183038192).

The spelling of 18182010011 in words is "eighteen billion, one hundred eighty-two million, ten thousand, eleven".

Divisors: 1 11 1652910001 18182010011