Search a number
-
+
2943749143 = 17317015891
BaseRepresentation
bin1010111101110110…
…0000110000010111
321121011011221200001
42233131200300113
522012044433033
61204034432131
7132643312006
oct25735406027
97534157601
102943749143
111280740335
126a1a32647
1337bb4abca
141dcd62c3d
15123681e7d
hexaf760c17

2943749143 has 4 divisors (see below), whose sum is σ = 2960765208. Its totient is φ = 2926733080.

The previous prime is 2943749141. The next prime is 2943749209. The reversal of 2943749143 is 3419473492.

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 2943749143 - 21 = 2943749141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2943749093 and 2943749102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943749141) 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, 8507773 + ... + 8508118.

It is an arithmetic number, because the mean of its divisors is an integer number (740191302).

Almost surely, 22943749143 is an apocalyptic number.

2943749143 is a deficient number, since it is larger than the sum of its proper divisors (17016065).

2943749143 is a wasteful number, since it uses less digits than its factorization.

2943749143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17016064.

The product of its digits is 653184, while the sum is 46.

The square root of 2943749143 is about 54256.3281378311. The cubic root of 2943749143 is about 1433.1784392501.

The spelling of 2943749143 in words is "two billion, nine hundred forty-three million, seven hundred forty-nine thousand, one hundred forty-three".

Divisors: 1 173 17015891 2943749143