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2320002143 = 2778375459
BaseRepresentation
bin1000101001001000…
…0110110001011111
312222200111022122022
42022102012301133
514222410032033
61022113410355
7111330456434
oct21222066137
95880438568
102320002143
11a90642a48
12548b699bb
132ac859544
14180197b8b
15d8a23098
hex8a486c5f

2320002143 has 4 divisors (see below), whose sum is σ = 2328377880. Its totient is φ = 2311626408.

The previous prime is 2320002133. The next prime is 2320002151. The reversal of 2320002143 is 3412000232.

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

It is a cyclic number.

It is not a de Polignac number, because 2320002143 - 24 = 2320002127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320002133) 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, 4187453 + ... + 4188006.

It is an arithmetic number, because the mean of its divisors is an integer number (582094470).

Almost surely, 22320002143 is an apocalyptic number.

2320002143 is a deficient number, since it is larger than the sum of its proper divisors (8375737).

2320002143 is an equidigital number, since it uses as much as digits as its factorization.

2320002143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8375736.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2320002143 is about 48166.4005609720. The cubic root of 2320002143 is about 1323.8215972127.

Adding to 2320002143 its reverse (3412000232), we get a palindrome (5732002375).

The spelling of 2320002143 in words is "two billion, three hundred twenty million, two thousand, one hundred forty-three".

Divisors: 1 277 8375459 2320002143