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1330122111 = 3443374037
BaseRepresentation
bin100111101001000…
…0000110101111111
310102200212012111220
41033102000311333
510211002401421
6335553044423
744650565013
oct11722006577
93380765456
101330122111
1162290147a
12311556713
13182753706
14c8922543
157bb903c6
hex4f480d7f

1330122111 has 4 divisors (see below), whose sum is σ = 1773496152. Its totient is φ = 886748072.

The previous prime is 1330122097. The next prime is 1330122161. The reversal of 1330122111 is 1112210331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1112210331 = 3370736777.

It is a cyclic number.

It is not a de Polignac number, because 1330122111 - 26 = 1330122047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330122161) 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, 221687016 + ... + 221687021.

It is an arithmetic number, because the mean of its divisors is an integer number (443374038).

Almost surely, 21330122111 is an apocalyptic number.

1330122111 is a deficient number, since it is larger than the sum of its proper divisors (443374041).

1330122111 is an equidigital number, since it uses as much as digits as its factorization.

1330122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443374040.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1330122111 is about 36470.8391869450. The cubic root of 1330122111 is about 1099.7581041100.

Adding to 1330122111 its reverse (1112210331), we get a palindrome (2442332442).

The spelling of 1330122111 in words is "one billion, three hundred thirty million, one hundred twenty-two thousand, one hundred eleven".

Divisors: 1 3 443374037 1330122111