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2543750268 = 223211979189
BaseRepresentation
bin1001011110011110…
…1000110001111100
320120021111220100220
42113213220301330
520202200002033
61100225221340
7120015343353
oct22747506174
96507456326
102543750268
111095976254
125aba91850
13317009c97
141a1b9c99a
15ed4bdbb3
hex979e8c7c

2543750268 has 12 divisors (see below), whose sum is σ = 5935417320. Its totient is φ = 847916752.

The previous prime is 2543750263. The next prime is 2543750303. The reversal of 2543750268 is 8620573452.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543750263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105989583 + ... + 105989606.

It is an arithmetic number, because the mean of its divisors is an integer number (494618110).

Almost surely, 22543750268 is an apocalyptic number.

It is an amenable number.

2543750268 is an abundant number, since it is smaller than the sum of its proper divisors (3391667052).

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

2543750268 is a wasteful number, since it uses less digits than its factorization.

2543750268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211979196 (or 211979194 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 2543750268 is about 50435.6051614333. The cubic root of 2543750268 is about 1365.0801686468.

The spelling of 2543750268 in words is "two billion, five hundred forty-three million, seven hundred fifty thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 211979189 423958378 635937567 847916756 1271875134 2543750268