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2309968319 = 19911607881
BaseRepresentation
bin1000100110101111…
…0101000110111111
312221222121112211012
42021223311012333
514212322441234
61021114345435
7111146256341
oct21153650677
95858545735
102309968319
11a85a0a42a
1254572b27b
132aa755479
1417cb05291
15d7be00ce
hex89af51bf

2309968319 has 4 divisors (see below), whose sum is σ = 2321576400. Its totient is φ = 2298360240.

The previous prime is 2309968289. The next prime is 2309968327. The reversal of 2309968319 is 9138699032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2309968319 is a prime.

It is a super-2 number, since 2×23099683192 = 10671907269567371522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309968019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5803742 + ... + 5804139.

It is an arithmetic number, because the mean of its divisors is an integer number (580394100).

Almost surely, 22309968319 is an apocalyptic number.

2309968319 is a deficient number, since it is larger than the sum of its proper divisors (11608081).

2309968319 is a wasteful number, since it uses less digits than its factorization.

2309968319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11608080.

The product of its (nonzero) digits is 629856, while the sum is 50.

The square root of 2309968319 is about 48062.1297801086. The cubic root of 2309968319 is about 1321.9103650195.

The spelling of 2309968319 in words is "two billion, three hundred nine million, nine hundred sixty-eight thousand, three hundred nineteen".

Divisors: 1 199 11607881 2309968319