Search a number
-
+
12442342211 = 131756300191
BaseRepresentation
bin10111001011001111…
…10001001101000011
31012010010110110210022
423211213301031003
5200440214422321
65414350324055
7620222110115
oct134547611503
935103413708
1012442342211
115305417952
1224b2ab962b
1312339aca90
148606853b5
154cc4e9dab
hex2e59f1343

12442342211 has 8 divisors (see below), whose sum is σ = 14187648384. Its totient is φ = 10809636480.

The previous prime is 12442342189. The next prime is 12442342243. The reversal of 12442342211 is 11224324421.

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 12442342211 - 222 = 12438147907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12442342291) 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, 28149875 + ... + 28150316.

It is an arithmetic number, because the mean of its divisors is an integer number (1773456048).

Almost surely, 212442342211 is an apocalyptic number.

12442342211 is a deficient number, since it is larger than the sum of its proper divisors (1745306173).

12442342211 is a wasteful number, since it uses less digits than its factorization.

12442342211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56300221.

The product of its digits is 3072, while the sum is 26.

Adding to 12442342211 its reverse (11224324421), we get a palindrome (23666666632).

The spelling of 12442342211 in words is "twelve billion, four hundred forty-two million, three hundred forty-two thousand, two hundred eleven".

Divisors: 1 13 17 221 56300191 731902483 957103247 12442342211