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18482472543 = 3103263467487
BaseRepresentation
bin10001001101101001…
…000010011001011111
31202201002000212221010
4101031221002121133
5300323003110133
612253555310303
71223004265413
oct211551023137
952632025833
1018482472543
1179249681a7
1236b98ab393
1319871897b2
14c7493cd43
1573290d263
hex44da4265f

18482472543 has 32 divisors (see below), whose sum is σ = 25082044416. Its totient is φ = 12104689248.

The previous prime is 18482472497. The next prime is 18482472553. The reversal of 18482472543 is 34527428481.

It is not a de Polignac number, because 18482472543 - 220 = 18481423967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18482472492 and 18482472501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18482472553) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 37951446 + ... + 37951932.

It is an arithmetic number, because the mean of its divisors is an integer number (783813888).

Almost surely, 218482472543 is an apocalyptic number.

18482472543 is a deficient number, since it is larger than the sum of its proper divisors (6599571873).

18482472543 is a wasteful number, since it uses less digits than its factorization.

18482472543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323.

The product of its digits is 1720320, while the sum is 48.

The spelling of 18482472543 in words is "eighteen billion, four hundred eighty-two million, four hundred seventy-two thousand, five hundred forty-three".

Divisors: 1 3 103 263 309 467 487 789 1401 1461 27089 48101 50161 81267 122821 128081 144303 150483 227429 368463 384243 682287 12650563 13192343 23425187 37951689 39577029 59813827 70275561 179441481 6160824181 18482472543