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2750538168 = 2333722311299
BaseRepresentation
bin1010001111110001…
…1110000110111000
321002200121211001000
42203330132012320
521113114210133
61132533325000
7125106121500
oct24374360670
97080554030
102750538168
111191675044
12649196760
1334aaccaa1
141c142aa00
15111719413
hexa3f1e1b8

2750538168 has 192 divisors, whose sum is σ = 9275040000. Its totient is φ = 751633344.

The previous prime is 2750538163. The next prime is 2750538179. The reversal of 2750538168 is 8618350572.

2750538168 is a `hidden beast` number, since 2 + 7 + 50 + 538 + 1 + 68 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2750538163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 237783 + ... + 249081.

It is an arithmetic number, because the mean of its divisors is an integer number (48307500).

Almost surely, 22750538168 is an apocalyptic number.

2750538168 is a gapful number since it is divisible by the number (28) 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 2750538168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4637520000).

2750538168 is an abundant number, since it is smaller than the sum of its proper divisors (6524501832).

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

2750538168 is a wasteful number, since it uses less digits than its factorization.

2750538168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11351 (or 11334 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 2750538168 is about 52445.5733880372. The cubic root of 2750538168 is about 1401.1110513607. Note that the first 3 decimals are identical.

The spelling of 2750538168 in words is "two billion, seven hundred fifty million, five hundred thirty-eight thousand, one hundred sixty-eight".