Search a number
-
+
2005335168 = 2736418147
BaseRepresentation
bin111011110000110…
…1111110010000000
312011202101120200220
41313201233302000
513101331211133
6530553143040
7100460032134
oct16741576200
95152346626
102005335168
11939a60aa1
1247b6baa80
1325c5c4875
141504873c4
15bb0b85b3
hex7786fc80

2005335168 has 64 divisors (see below), whose sum is σ = 5335636320. Its totient is φ = 667320320.

The previous prime is 2005335151. The next prime is 2005335173. The reversal of 2005335168 is 8615335002.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242071 + ... + 250217.

Almost surely, 22005335168 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 2005335168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2667818160).

2005335168 is an abundant number, since it is smaller than the sum of its proper divisors (3330301152).

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

2005335168 is an equidigital number, since it uses as much as digits as its factorization.

2005335168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8805 (or 8793 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 2005335168 is about 44780.9688148883. The cubic root of 2005335168 is about 1261.0403702684.

The spelling of 2005335168 in words is "two billion, five million, three hundred thirty-five thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 641 1282 1923 2564 3846 5128 7692 8147 10256 15384 16294 20512 24441 30768 32588 41024 48882 61536 65176 82048 97764 123072 130352 195528 246144 260704 391056 521408 782112 1042816 1564224 3128448 5222227 10444454 15666681 20888908 31333362 41777816 62666724 83555632 125333448 167111264 250666896 334222528 501333792 668445056 1002667584 2005335168