Search a number
-
+
2131443103 = 10794121169
BaseRepresentation
bin111111100001011…
…0011110110011111
312111112200112021011
41333002303312133
513331122134403
6551300120051
7103550652556
oct17702636637
95445615234
102131443103
119a4164829
124b5996027
1327c77994a
14163112d9d
15c71c8a6d
hex7f0b3d9f

2131443103 has 8 divisors (see below), whose sum is σ = 2153751120. Its totient is φ = 2109179520.

The previous prime is 2131443101. The next prime is 2131443113. The reversal of 2131443103 is 3013441312.

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 2131443103 - 21 = 2131443101 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 (2131443101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90103 + ... + 111271.

It is an arithmetic number, because the mean of its divisors is an integer number (269218890).

Almost surely, 22131443103 is an apocalyptic number.

2131443103 is a deficient number, since it is larger than the sum of its proper divisors (22308017).

2131443103 is a wasteful number, since it uses less digits than its factorization.

2131443103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22217.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2131443103 is about 46167.5546569233. The cubic root of 2131443103 is about 1286.9388593498.

Adding to 2131443103 its reverse (3013441312), we get a palindrome (5144884415).

The spelling of 2131443103 in words is "two billion, one hundred thirty-one million, four hundred forty-three thousand, one hundred three".

Divisors: 1 107 941 21169 100687 2265083 19920029 2131443103