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88135739136 = 2832432273919
BaseRepresentation
bin101001000010101001…
…1001010011100000000
322102111022221102222200
41102011103022130000
52421000222123021
6104253342433200
76240041264454
oct1220523123400
9272438842880
1088135739136
1134418366335
12150b8592800
138407822a43
1443a1498664
15245c87d126
hex14854ca700

88135739136 has 216 divisors, whose sum is σ = 261238897920. Its totient is φ = 28561655808.

The previous prime is 88135739117. The next prime is 88135739141. The reversal of 88135739136 is 63193753188.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22487385 + ... + 22491303.

Almost surely, 288135739136 is an apocalyptic number.

88135739136 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88135739136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130619448960).

88135739136 is an abundant number, since it is smaller than the sum of its proper divisors (173103158784).

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

88135739136 is a wasteful number, since it uses less digits than its factorization.

88135739136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211 (or 4194 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 88135739136 in words is "eighty-eight billion, one hundred thirty-five million, seven hundred thirty-nine thousand, one hundred thirty-six".