Search a number
-
+
2143443124 = 221928203199
BaseRepresentation
bin111111111000010…
…0101100010110100
312112101021012012101
41333300211202310
513342210134444
6552405231444
7104054652214
oct17760454264
95471235171
102143443124
119aaa105a9
124b9a02584
132820bb954
14164958244
15c82993d4
hex7fc258b4

2143443124 has 12 divisors (see below), whose sum is σ = 3948448000. Its totient is φ = 1015315128.

The previous prime is 2143443103. The next prime is 2143443149. The reversal of 2143443124 is 4213443412.

It is a junction number, because it is equal to n+sod(n) for n = 2143443092 and 2143443101.

It is a congruent number.

It is an unprimeable number.

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, 14101524 + ... + 14101675.

Almost surely, 22143443124 is an apocalyptic number.

It is an amenable number.

2143443124 is a deficient number, since it is larger than the sum of its proper divisors (1805004876).

2143443124 is a wasteful number, since it uses less digits than its factorization.

2143443124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28203222 (or 28203220 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The square root of 2143443124 is about 46297.3338757212. Note that the first 3 decimals coincide. The cubic root of 2143443124 is about 1289.3494955554.

Adding to 2143443124 its reverse (4213443412), we get a palindrome (6356886536).

The spelling of 2143443124 in words is "two billion, one hundred forty-three million, four hundred forty-three thousand, one hundred twenty-four".

Divisors: 1 2 4 19 38 76 28203199 56406398 112812796 535860781 1071721562 2143443124