Search a number
-
+
12200223441 = 37580963021
BaseRepresentation
bin10110101110011000…
…01010001011010001
31011111020212120021110
423113030022023101
5144441224122231
65334341043533
7611222121360
oct132714121321
934436776243
1012200223441
1151a078749a
1224459b65a9
1311c5799733
1483a45b7d7
154b6121046
hex2d730a2d1

12200223441 has 8 divisors (see below), whose sum is σ = 18590816704. Its totient is φ = 6971556240.

The previous prime is 12200223439. The next prime is 12200223457. The reversal of 12200223441 is 14432200221.

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

It is not a de Polignac number, because 12200223441 - 21 = 12200223439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 580963021 = 12200223441 / (1 + 2 + 2 + 0 + 0 + 2 + 2 + 3 + 4 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12200223421) 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, 290481490 + ... + 290481531.

It is an arithmetic number, because the mean of its divisors is an integer number (2323852088).

Almost surely, 212200223441 is an apocalyptic number.

It is an amenable number.

12200223441 is a deficient number, since it is larger than the sum of its proper divisors (6390593263).

12200223441 is an equidigital number, since it uses as much as digits as its factorization.

12200223441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580963031.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12200223441 its reverse (14432200221), we get a palindrome (26632423662).

It can be divided in two parts, 12200 and 223441, that added together give a triangular number (235641 = T686).

The spelling of 12200223441 in words is "twelve billion, two hundred million, two hundred twenty-three thousand, four hundred forty-one".

Divisors: 1 3 7 21 580963021 1742889063 4066741147 12200223441