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1443112105 = 51372106733
BaseRepresentation
bin101011000000100…
…0010010010101001
310201120110200122111
41112001002102221
510423414041410
6355110522321
750522151631
oct12601022251
93646420574
101443112105
11680665536
123433663a1
1319cc949b6
14d99356c1
1586a5db8a
hex560424a9

1443112105 has 8 divisors (see below), whose sum is σ = 1744375752. Its totient is φ = 1146062208.

The previous prime is 1443112081. The next prime is 1443112109. The reversal of 1443112105 is 5012113441.

It can be written as a sum of positive squares in 4 ways, for example, as 82682649 + 1360429456 = 9093^2 + 36884^2 .

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 1443112105 - 213 = 1443103913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1443112109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1052682 + ... + 1054051.

It is an arithmetic number, because the mean of its divisors is an integer number (218046969).

Almost surely, 21443112105 is an apocalyptic number.

It is an amenable number.

1443112105 is a deficient number, since it is larger than the sum of its proper divisors (301263647).

1443112105 is a wasteful number, since it uses less digits than its factorization.

1443112105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106875.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1443112105 is about 37988.3153745991. The cubic root of 1443112105 is about 1130.0561501323.

Adding to 1443112105 its reverse (5012113441), we get a palindrome (6455225546).

The spelling of 1443112105 in words is "one billion, four hundred forty-three million, one hundred twelve thousand, one hundred five".

Divisors: 1 5 137 685 2106733 10533665 288622421 1443112105