Search a number
-
+
203130022441 = 1012011188341
BaseRepresentation
bin1011110100101101111…
…1100010101000101001
3201102022110222022002111
42331023133202220221
511312002241204231
6233152221202321
720450515462603
oct2751337425051
9642273868074
10203130022441
1179168669405
123344ba003a1
1316202929468
149b8da92173
15543d14d4b1
hex2f4b7e2a29

203130022441 has 4 divisors (see below), whose sum is σ = 205141210884. Its totient is φ = 201118834000.

The previous prime is 203130022429. The next prime is 203130022489. The reversal of 203130022441 is 144220031302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100111491216 + 103018531225 = 316404^2 + 320965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-203130022441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203130022541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005594070 + ... + 1005594271.

It is an arithmetic number, because the mean of its divisors is an integer number (51285302721).

Almost surely, 2203130022441 is an apocalyptic number.

It is an amenable number.

203130022441 is a deficient number, since it is larger than the sum of its proper divisors (2011188443).

203130022441 is a wasteful number, since it uses less digits than its factorization.

203130022441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011188442.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 203130022441 its reverse (144220031302), we get a palindrome (347350053743).

The spelling of 203130022441 in words is "two hundred three billion, one hundred thirty million, twenty-two thousand, four hundred forty-one".

Divisors: 1 101 2011188341 203130022441