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87999182088 = 2333666632587
BaseRepresentation
bin101000111110100101…
…0001111010100001000
322102010210222121221020
41101331022033110020
52420210242311323
6104232023512440
76233462464116
oct1217512172410
9272123877836
1087999182088
1134358275a74
121507a8b8720
1383b544c85c
14438b2acab6
1524508a6ae3
hex147d28f508

87999182088 has 16 divisors (see below), whose sum is σ = 219997955280. Its totient is φ = 29333060688.

The previous prime is 87999182077. The next prime is 87999182093. The reversal of 87999182088 is 88028199978.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1833316270 + ... + 1833316317.

It is an arithmetic number, because the mean of its divisors is an integer number (13749872205).

Almost surely, 287999182088 is an apocalyptic number.

It is an amenable number.

87999182088 is an abundant number, since it is smaller than the sum of its proper divisors (131998773192).

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

87999182088 is a wasteful number, since it uses less digits than its factorization.

87999182088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666632596 (or 3666632592 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 69.

The spelling of 87999182088 in words is "eighty-seven billion, nine hundred ninety-nine million, one hundred eighty-two thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 3666632587 7333265174 10999897761 14666530348 21999795522 29333060696 43999591044 87999182088