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1043135105 = 5208627021
BaseRepresentation
bin111110001011001…
…111101010000001
32200200211202100112
4332023033222001
54114020310410
6251302001105
734564334135
oct7613175201
92620752315
101043135105
11495905931
12251416195
13138160a0c
149c7793c5
15618a2105
hex3e2cfa81

1043135105 has 4 divisors (see below), whose sum is σ = 1251762132. Its totient is φ = 834508080.

The previous prime is 1043135087. The next prime is 1043135111. The reversal of 1043135105 is 5015313401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5015313401 = 7716473343.

It can be written as a sum of positive squares in 2 ways, for example, as 667240561 + 375894544 = 25831^2 + 19388^2 .

It is not a de Polignac number, because 1043135105 - 216 = 1043069569 is a prime.

It is a super-2 number, since 2×10431351052 = 2176261694566722050, which contains 22 as substring.

It is a Duffinian 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, 104313506 + ... + 104313515.

It is an arithmetic number, because the mean of its divisors is an integer number (312940533).

Almost surely, 21043135105 is an apocalyptic number.

It is an amenable number.

1043135105 is a deficient number, since it is larger than the sum of its proper divisors (208627027).

1043135105 is an equidigital number, since it uses as much as digits as its factorization.

1043135105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208627026.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1043135105 is about 32297.6021555781. The cubic root of 1043135105 is about 1014.1764469959.

Adding to 1043135105 its reverse (5015313401), we get a palindrome (6058448506).

The spelling of 1043135105 in words is "one billion, forty-three million, one hundred thirty-five thousand, one hundred five".

Divisors: 1 5 208627021 1043135105