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18184033345 = 55964819511
BaseRepresentation
bin10000111011110110…
…100101010001000001
31201221021110121022111
4100323312211101001
5244220103031340
612204214535321
71212421506322
oct207366452101
951837417274
1018184033345
11779145a435
123635967541
13193a3b725a
14c47054449
1571660baea
hex43bda5441

18184033345 has 16 divisors (see below), whose sum is σ = 22196442240. Its totient is φ = 14296953600.

The previous prime is 18184033313. The next prime is 18184033349. The reversal of 18184033345 is 54333048181.

It is not a de Polignac number, because 18184033345 - 25 = 18184033313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18184033298 and 18184033307.

It is not an unprimeable number, because it can be changed into a prime (18184033349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1907140 + ... + 1916650.

It is an arithmetic number, because the mean of its divisors is an integer number (1387277640).

Almost surely, 218184033345 is an apocalyptic number.

It is an amenable number.

18184033345 is a deficient number, since it is larger than the sum of its proper divisors (4012408895).

18184033345 is an equidigital number, since it uses as much as digits as its factorization.

18184033345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16056.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 18184033345 in words is "eighteen billion, one hundred eighty-four million, thirty-three thousand, three hundred forty-five".

Divisors: 1 5 59 295 6481 9511 32405 47555 382379 561149 1911895 2805745 61640791 308203955 3636806669 18184033345