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18819028136184 = 2332927038833529
BaseRepresentation
bin1000100011101101001010…
…11111001011000011111000
32110122002012102112212101220
410101312211133023003320
54431312332200324214
6104005201524312040
73651426026555343
oct421664537130370
973562172485356
1018819028136184
115aa6117854331
12213b306542620
13a6681bc38313
14490bbad1345a
152297d59419a9
hex111da57cb0f8

18819028136184 has 32 divisors (see below), whose sum is σ = 48669900354000. Its totient is φ = 6056698710272.

The previous prime is 18819028136179. The next prime is 18819028136221. The reversal of 18819028136184 is 48163182091881.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13519416069 + ... + 13519417460.

Almost surely, 218819028136184 is an apocalyptic number.

It is an amenable number.

18819028136184 is an abundant number, since it is smaller than the sum of its proper divisors (29850872217816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18819028136184 is a wasteful number, since it uses less digits than its factorization.

18819028136184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27038833567 (or 27038833563 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 60.

The spelling of 18819028136184 in words is "eighteen trillion, eight hundred nineteen billion, twenty-eight million, one hundred thirty-six thousand, one hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 29 58 87 116 174 232 348 696 27038833529 54077667058 81116500587 108155334116 162233001174 216310668232 324466002348 648932004696 784126172341 1568252344682 2352378517023 3136504689364 4704757034046 6273009378728 9409514068092 18819028136184