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44431012141 = 274916162609
BaseRepresentation
bin101001011000010010…
…110111000100101101
311020200110210021110021
4221120102313010231
51211443314342031
632224502442141
73132020241355
oct513022670455
9136613707407
1044431012141
111793016a04a
12873ba33351
134261083139
142216c79b65
1512509e9511
hexa584b712d

44431012141 has 4 divisors (see below), whose sum is σ = 44447177500. Its totient is φ = 44414846784.

The previous prime is 44431012121. The next prime is 44431012187. The reversal of 44431012141 is 14121013444.

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 29395102500 + 15035909641 = 171450^2 + 122621^2 .

It is a cyclic number.

It is not a de Polignac number, because 44431012141 - 223 = 44422623533 is a prime.

It is a super-2 number, since 2×444310121412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44431012121) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8078556 + ... + 8084053.

It is an arithmetic number, because the mean of its divisors is an integer number (11111794375).

Almost surely, 244431012141 is an apocalyptic number.

It is an amenable number.

44431012141 is a deficient number, since it is larger than the sum of its proper divisors (16165359).

44431012141 is a wasteful number, since it uses less digits than its factorization.

44431012141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16165358.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 44431012141 its reverse (14121013444), we get a palindrome (58552025585).

The spelling of 44431012141 in words is "forty-four billion, four hundred thirty-one million, twelve thousand, one hundred forty-one".

Divisors: 1 2749 16162609 44431012141