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8743680000 = 21133541123
BaseRepresentation
bin10000010010010100…
…11111100000000000
3211120100202222002000
420021022133200000
5120401340230000
64003343224000
7426451024266
oct101112374000
924510688060
108743680000
113787641220
1218402a8000
13a94637063
145cd372436
1536294a000
hex20929f800

8743680000 has 960 divisors, whose sum is σ = 36843206400. Its totient is φ = 2027520000.

The previous prime is 8743679999. The next prime is 8743680013. The reversal of 8743680000 is 863478.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 380159989 + ... + 380160011.

It is an arithmetic number, because the mean of its divisors is an integer number (38378340).

Almost surely, 28743680000 is an apocalyptic number.

8743680000 is a gapful number since it is divisible by the number (80) 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 8743680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18421603200).

8743680000 is an abundant number, since it is smaller than the sum of its proper divisors (28099526400).

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

8743680000 is a wasteful number, since it uses less digits than its factorization.

8743680000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 8743680000 is about 93507.6467461352. The cubic root of 8743680000 is about 2060.1464061591.

The spelling of 8743680000 in words is "eight billion, seven hundred forty-three million, six hundred eighty thousand".