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1214441105 = 5242888221
BaseRepresentation
bin100100001100010…
…1110011010010001
310010122012000000012
41020120232122101
54441344103410
6320301404305
742044402423
oct11030563221
93118160005
101214441105
1157357a639
1229a869695
131647ac607
14b740c813
157193e605
hex4862e691

1214441105 has 4 divisors (see below), whose sum is σ = 1457329332. Its totient is φ = 971552880.

The previous prime is 1214441093. The next prime is 1214441203. The reversal of 1214441105 is 5011444121.

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 613651984 + 600789121 = 24772^2 + 24511^2 .

It is not a de Polignac number, because 1214441105 - 230 = 140699281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121444106 + ... + 121444115.

It is an arithmetic number, because the mean of its divisors is an integer number (364332333).

Almost surely, 21214441105 is an apocalyptic number.

It is an amenable number.

1214441105 is a deficient number, since it is larger than the sum of its proper divisors (242888227).

1214441105 is an equidigital number, since it uses as much as digits as its factorization.

1214441105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242888226.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1214441105 is about 34848.8321899027. The cubic root of 1214441105 is about 1066.9043506248.

Adding to 1214441105 its reverse (5011444121), we get a palindrome (6225885226).

The spelling of 1214441105 in words is "one billion, two hundred fourteen million, four hundred forty-one thousand, one hundred five".

Divisors: 1 5 242888221 1214441105