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8891329104 = 2432723734057
BaseRepresentation
bin10000100011111011…
…01110101001010000
3211221122121022120100
420101331232221100
5121202140012404
64030140012400
7433223023200
oct102175565120
924848538510
108891329104
113852a18179
121881831100
13ab90c1ba8
14604c08400
153708b2d39
hex211f6ea50

8891329104 has 180 divisors, whose sum is σ = 29729160084. Its totient is φ = 2471648256.

The previous prime is 8891329099. The next prime is 8891329127. The reversal of 8891329104 is 4019231988.

It can be written as a sum of positive squares in 2 ways, for example, as 7779240000 + 1112089104 = 88200^2 + 33348^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8891329104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 244044 + ... + 278100.

Almost surely, 28891329104 is an apocalyptic number.

8891329104 is a gapful number since it is divisible by the number (84) 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 8891329104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14864580042).

8891329104 is an abundant number, since it is smaller than the sum of its proper divisors (20837830980).

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

8891329104 is a wasteful number, since it uses less digits than its factorization.

8891329104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34122 (or 34106 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 8891329104 is about 94293.8444650551. The cubic root of 8891329104 is about 2071.6778778520.

The spelling of 8891329104 in words is "eight billion, eight hundred ninety-one million, three hundred twenty-nine thousand, one hundred four".