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2663142443 = 13204857111
BaseRepresentation
bin1001111010111100…
…0101010000101011
320212121011122122022
42132233011100223
520423231024233
61120132215055
7122665223453
oct23657052053
96777148568
102663142443
111147302375
12623a6a48b
13335980340
141b399ad63
15108c04398
hex9ebc542b

2663142443 has 4 divisors (see below), whose sum is σ = 2867999568. Its totient is φ = 2458285320.

The previous prime is 2663142431. The next prime is 2663142457. The reversal of 2663142443 is 3442413662.

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 2663142443 - 28 = 2663142187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2663142403) 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 3 ways as a sum of consecutive naturals, for example, 102428543 + ... + 102428568.

It is an arithmetic number, because the mean of its divisors is an integer number (716999892).

Almost surely, 22663142443 is an apocalyptic number.

2663142443 is a deficient number, since it is larger than the sum of its proper divisors (204857125).

2663142443 is a wasteful number, since it uses less digits than its factorization.

2663142443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204857124.

The product of its digits is 82944, while the sum is 35.

The square root of 2663142443 is about 51605.6435189021. The cubic root of 2663142443 is about 1386.1113893362. Note that the first 3 decimals are identical.

The spelling of 2663142443 in words is "two billion, six hundred sixty-three million, one hundred forty-two thousand, four hundred forty-three".

Divisors: 1 13 204857111 2663142443