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44108400401 = 133392953877
BaseRepresentation
bin101001000101000100…
…001100011100010001
311012211222201220100022
4221011010030130101
51210313222303101
632132500033225
73121022134352
oct510504143421
9135758656308
1044108400401
111778505107a
12866b992815
13420c299210
1421c609bd29
151232520a1b
hexa4510c711

44108400401 has 4 divisors (see below), whose sum is σ = 47501354292. Its totient is φ = 40715446512.

The previous prime is 44108400389. The next prime is 44108400407. The reversal of 44108400401 is 10400480144.

It is a happy number.

It is a Cunningham number, because it is equal to 2100202+1.

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 6524762176 + 37583638225 = 80776^2 + 193865^2 .

It is a de Polignac number, because none of the positive numbers 2k-44108400401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44108400407) 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, 1696476926 + ... + 1696476951.

It is an arithmetic number, because the mean of its divisors is an integer number (11875338573).

Almost surely, 244108400401 is an apocalyptic number.

It is an amenable number.

44108400401 is a deficient number, since it is larger than the sum of its proper divisors (3392953891).

44108400401 is a wasteful number, since it uses less digits than its factorization.

44108400401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392953890.

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 44108400401 its reverse (10400480144), we get a palindrome (54508880545).

The spelling of 44108400401 in words is "forty-four billion, one hundred eight million, four hundred thousand, four hundred one".

Divisors: 1 13 3392953877 44108400401