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1112443205 = 5222488641
BaseRepresentation
bin100001001001110…
…1000100101000101
32212112020222012012
41002103220211011
54234241140310
6302215304005
736365416436
oct10223504505
92775228165
101112443205
11520a44055
1227067b005
13149619623
14a7a5b48d
15679e2c05
hex424e8945

1112443205 has 4 divisors (see below), whose sum is σ = 1334931852. Its totient is φ = 889954560.

The previous prime is 1112443193. The next prime is 1112443247. The reversal of 1112443205 is 5023442111.

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 126922756 + 985520449 = 11266^2 + 31393^2 .

It is not a de Polignac number, because 1112443205 - 28 = 1112442949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111244316 + ... + 111244325.

It is an arithmetic number, because the mean of its divisors is an integer number (333732963).

Almost surely, 21112443205 is an apocalyptic number.

It is an amenable number.

1112443205 is a deficient number, since it is larger than the sum of its proper divisors (222488647).

1112443205 is an equidigital number, since it uses as much as digits as its factorization.

1112443205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222488646.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1112443205 is about 33353.3087564038. The cubic root of 1112443205 is about 1036.1579158935.

Adding to 1112443205 its reverse (5023442111), we get a palindrome (6135885316).

The spelling of 1112443205 in words is "one billion, one hundred twelve million, four hundred forty-three thousand, two hundred five".

Divisors: 1 5 222488641 1112443205