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18833873705085 = 3529131513292241
BaseRepresentation
bin1000100100001000110100…
…10110100001100001111101
32110200111112001002220110010
410102010122112201201331
54432033233132030320
6104020055004333433
73652462643041335
oct422043226414175
973614461086403
1018833873705085
116001445787a3a
12214216a244279
13a6804679360a
144917c88180c5
15229da3dedae0
hex11211a5a187d

18833873705085 has 32 divisors (see below), whose sum is σ = 31175688084480. Its totient is φ = 9697622144000.

The previous prime is 18833873705051. The next prime is 18833873705099. The reversal of 18833873705085 is 58050737833881.

It is not a de Polignac number, because 18833873705085 - 211 = 18833873703037 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4074565 + ... + 7366805.

It is an arithmetic number, because the mean of its divisors is an integer number (974240252640).

Almost surely, 218833873705085 is an apocalyptic number.

18833873705085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18833873705085 is a deficient number, since it is larger than the sum of its proper divisors (12341814379395).

18833873705085 is a wasteful number, since it uses less digits than its factorization.

18833873705085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305429.

The product of its (nonzero) digits is 135475200, while the sum is 66.

The spelling of 18833873705085 in words is "eighteen trillion, eight hundred thirty-three billion, eight hundred seventy-three million, seven hundred five thousand, eighty-five".

Divisors: 1 3 5 15 29 87 145 435 13151 39453 65755 197265 381379 1144137 1906895 3292241 5720685 9876723 16461205 49383615 95474989 286424967 477374945 1432124835 43296261391 129888784173 216481306955 649443920865 1255591580339 3766774741017 6277957901695 18833873705085