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44042203141 = 191230587451
BaseRepresentation
bin101001000001000111…
…101011000000000101
311012200101011201202221
4221001013223000011
51210144301000031
632122133132341
73116256356416
oct510107530005
9135611151687
1044042203141
11177507480a2
12865178a0b1
1341cb65c541
1421bb38980d
15122b7e6a11
hexa411eb005

44042203141 has 4 divisors (see below), whose sum is σ = 44272790784. Its totient is φ = 43811615500.

The previous prime is 44042203061. The next prime is 44042203199. The reversal of 44042203141 is 14130224044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44042203141 - 217 = 44042072069 is a prime.

It is a super-2 number, since 2×440422031412 (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 (44042203741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115293535 + ... + 115293916.

It is an arithmetic number, because the mean of its divisors is an integer number (11068197696).

Almost surely, 244042203141 is an apocalyptic number.

It is an amenable number.

44042203141 is a deficient number, since it is larger than the sum of its proper divisors (230587643).

44042203141 is a wasteful number, since it uses less digits than its factorization.

44042203141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230587642.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 44042203141 its reverse (14130224044), we get a palindrome (58172427185).

The spelling of 44042203141 in words is "forty-four billion, forty-two million, two hundred three thousand, one hundred forty-one".

Divisors: 1 191 230587451 44042203141