Search a number
-
+
2123443103 = 19749921601
BaseRepresentation
bin111111010010001…
…0010101110011111
312110222122002022212
41332210102232133
513322100134403
6550412431035
7103422653135
oct17644225637
95428562285
102123443103
1199a6a0261
124b317847b
1327ac08512
1416202d755
15c66484d8
hex7e912b9f

2123443103 has 8 divisors (see below), whose sum is σ = 2138598000. Its totient is φ = 2108332800.

The previous prime is 2123443081. The next prime is 2123443109. The reversal of 2123443103 is 3013443212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2123443103 - 28 = 2123442847 is a prime.

It is a super-2 number, since 2×21234431032 = 9018021223356537218, 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 (2123443109) 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 7 ways as a sum of consecutive naturals, for example, 87503 + ... + 109103.

It is an arithmetic number, because the mean of its divisors is an integer number (267324750).

Almost surely, 22123443103 is an apocalyptic number.

2123443103 is a deficient number, since it is larger than the sum of its proper divisors (15154897).

2123443103 is a wasteful number, since it uses less digits than its factorization.

2123443103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22297.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2123443103 is about 46080.8322732999. The cubic root of 2123443103 is about 1285.3267405326.

Adding to 2123443103 its reverse (3013443212), we get a palindrome (5136886315).

The spelling of 2123443103 in words is "two billion, one hundred twenty-three million, four hundred forty-three thousand, one hundred three".

Divisors: 1 197 499 21601 98303 4255397 10778899 2123443103