Search a number
-
+
2123101441 = 2617811273
BaseRepresentation
bin111111010001011…
…1111010100000001
312110221222201122201
41332202333110001
513322003221231
6550401233201
7103420031056
oct17642772401
95427881581
102123101441
1199a48759a
124b3032801
1327ab18b56
14161d8102d
15c65cc161
hex7e8bf501

2123101441 has 4 divisors (see below), whose sum is σ = 2123915332. Its totient is φ = 2122287552.

The previous prime is 2123101417. The next prime is 2123101451. The reversal of 2123101441 is 1441013212.

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 1546141041 + 576960400 = 39321^2 + 24020^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123101441 - 27 = 2123101313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123101451) 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, 403020 + ... + 408253.

It is an arithmetic number, because the mean of its divisors is an integer number (530978833).

Almost surely, 22123101441 is an apocalyptic number.

It is an amenable number.

2123101441 is a deficient number, since it is larger than the sum of its proper divisors (813891).

2123101441 is an equidigital number, since it uses as much as digits as its factorization.

2123101441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813890.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2123101441 is about 46077.1249211580. The cubic root of 2123101441 is about 1285.2578004765.

Adding to 2123101441 its reverse (1441013212), we get a palindrome (3564114653).

The spelling of 2123101441 in words is "two billion, one hundred twenty-three million, one hundred one thousand, four hundred forty-one".

Divisors: 1 2617 811273 2123101441