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8999768304 = 2433194147569
BaseRepresentation
bin10000110000110110…
…11001000011110000
3212020012122121012000
420120123121003300
5121412420041204
64045012134000
7436010524362
oct103033310360
925205577160
108999768304
1138a915314a
1218b2007300
13b056cb9b7
14615394d32
1537a183039
hex2186d90f0

8999768304 has 320 divisors, whose sum is σ = 28498176000. Its totient is φ = 2708951040.

The previous prime is 8999768249. The next prime is 8999768311. The reversal of 8999768304 is 4038679998.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15816532 + ... + 15817100.

It is an arithmetic number, because the mean of its divisors is an integer number (89056800).

Almost surely, 28999768304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8999768304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14249088000).

8999768304 is an abundant number, since it is smaller than the sum of its proper divisors (19498407696).

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

8999768304 is a wasteful number, since it uses less digits than its factorization.

8999768304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The square root of 8999768304 is about 94867.1086520507. The cubic root of 8999768304 is about 2080.0659730061.

The spelling of 8999768304 in words is "eight billion, nine hundred ninety-nine million, seven hundred sixty-eight thousand, three hundred four".