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3115213340 = 225155760667
BaseRepresentation
bin1011100110101110…
…0110001000011100
322001002211020022212
42321223212020130
522334443311330
61233041455552
7140124606431
oct27153461034
98032736285
103115213340
111359502988
1272b3415b8
133a8523805
14217a37b88
15133751295
hexb9ae621c

3115213340 has 12 divisors (see below), whose sum is σ = 6541948056. Its totient is φ = 1246085328.

The previous prime is 3115213327. The next prime is 3115213369. The reversal of 3115213340 is 433125113.

3115213340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77880314 + ... + 77880353.

It is an arithmetic number, because the mean of its divisors is an integer number (545162338).

Almost surely, 23115213340 is an apocalyptic number.

It is an amenable number.

3115213340 is an abundant number, since it is smaller than the sum of its proper divisors (3426734716).

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

3115213340 is a wasteful number, since it uses less digits than its factorization.

3115213340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155760676 (or 155760674 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3115213340 is about 55814.0962481701. The cubic root of 3115213340 is about 1460.4810668427.

Adding to 3115213340 its reverse (433125113), we get a palindrome (3548338453).

The spelling of 3115213340 in words is "three billion, one hundred fifteen million, two hundred thirteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 155760667 311521334 623042668 778803335 1557606670 3115213340