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8768116304640 = 283457113171499
BaseRepresentation
bin111111110010111110001…
…1101010010101100000000
31011001020001002201121020000
41333211330131102230000
52122124100233222030
630352003402120000
71563322044611220
oct177457435225400
934036032647200
108768116304640
1128805a0084780
12b973a04b0000
134b7aa31632b4
14224544338080
1510312b091860
hex7f97c752b00

8768116304640 has 2880 divisors, whose sum is σ = 41028083712000. Its totient is φ = 1734856704000.

The previous prime is 8768116304599. The next prime is 8768116304641. The reversal of 8768116304640 is 464036118678.

8768116304640 is a `hidden beast` number, since 8 + 7 + 68 + 116 + 3 + 0 + 464 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2880).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (8768116304641) by changing a digit.

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 319 ways as a sum of consecutive naturals, for example, 17571375111 + ... + 17571375609.

It is an arithmetic number, because the mean of its divisors is an integer number (14245862400).

Almost surely, 28768116304640 is an apocalyptic number.

8768116304640 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 8768116304640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20514041856000).

8768116304640 is an abundant number, since it is smaller than the sum of its proper divisors (32259967407360).

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

8768116304640 is a wasteful number, since it uses less digits than its factorization.

8768116304640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 8768116304640 in words is "eight trillion, seven hundred sixty-eight billion, one hundred sixteen million, three hundred four thousand, six hundred forty".