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1051444105 = 5373563777
BaseRepresentation
bin111110101010111…
…100001110001001
32201021110220011021
4332222330032021
54123132202410
6252200032441
735025061465
oct7652741611
92637426137
101051444105
1149a570578
12254162721
13139aac99a
149d8dd4a5
1562493eda
hex3eabc389

1051444105 has 8 divisors (see below), whose sum is σ = 1265117832. Its totient is φ = 838898688.

The previous prime is 1051444099. The next prime is 1051444117. The reversal of 1051444105 is 5014441501.

It can be written as a sum of positive squares in 4 ways, for example, as 213978384 + 837465721 = 14628^2 + 28939^2 .

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 1051444105 - 27 = 1051443977 is a prime.

It is a super-2 number, since 2×10514441052 = 2211069411878502050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1051444105.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 280024 + ... + 283753.

It is an arithmetic number, because the mean of its divisors is an integer number (158139729).

Almost surely, 21051444105 is an apocalyptic number.

It is an amenable number.

1051444105 is a deficient number, since it is larger than the sum of its proper divisors (213673727).

1051444105 is an equidigital number, since it uses as much as digits as its factorization.

1051444105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564155.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1051444105 is about 32425.9788595503. The cubic root of 1051444105 is about 1016.8621062356.

Adding to 1051444105 its reverse (5014441501), we get a palindrome (6065885606).

The spelling of 1051444105 in words is "one billion, fifty-one million, four hundred forty-four thousand, one hundred five".

Divisors: 1 5 373 1865 563777 2818885 210288821 1051444105