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44001432001 = 162232712287
BaseRepresentation
bin101000111110101100…
…001001000111000001
311012120112110100021201
4220332230021013001
51210103331311001
632114115221201
73115253000212
oct507654110701
9135515410251
1044001432001
111772a73013a
12863bba7801
1341c30859c7
1421b5bb5409
151227e41501
hexa3eb091c1

44001432001 has 4 divisors (see below), whose sum is σ = 44004160512. Its totient is φ = 43998703492.

The previous prime is 44001431963. The next prime is 44001432049. The reversal of 44001432001 is 10023410044.

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 44001432001 - 221 = 43999334849 is a prime.

It is a super-2 number, since 2×440014320012 (a number of 22 digits) 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 44001432001.

It is not an unprimeable number, because it can be changed into a prime (44001432091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1339921 + ... + 1372366.

It is an arithmetic number, because the mean of its divisors is an integer number (11001040128).

Almost surely, 244001432001 is an apocalyptic number.

It is an amenable number.

44001432001 is a deficient number, since it is larger than the sum of its proper divisors (2728511).

44001432001 is a wasteful number, since it uses less digits than its factorization.

44001432001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728510.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 44001432001 its reverse (10023410044), we get a palindrome (54024842045).

The spelling of 44001432001 in words is "forty-four billion, one million, four hundred thirty-two thousand, one".

Divisors: 1 16223 2712287 44001432001