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43105440001 = 138214038737
BaseRepresentation
bin101000001001010010…
…001101000100000001
311010021002111020022211
4220021102031010001
51201234443040001
631445151102121
73054123123511
oct501122150401
9133232436284
1043105440001
111730a996088
12842bb11941
1340ac563720
14212cbbd841
1511c4457351
hexa0948d101

43105440001 has 8 divisors (see below), whose sum is σ = 46477796904. Its totient is φ = 39741162240.

The previous prime is 43105439957. The next prime is 43105440089. The reversal of 43105440001 is 10004450134.

It can be written as a sum of positive squares in 4 ways, for example, as 173185600 + 42932254401 = 13160^2 + 207201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43105440001 - 211 = 43105437953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43105447001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2008696 + ... + 2030041.

It is an arithmetic number, because the mean of its divisors is an integer number (5809724613).

Almost surely, 243105440001 is an apocalyptic number.

It is an amenable number.

43105440001 is a deficient number, since it is larger than the sum of its proper divisors (3372356903).

43105440001 is a wasteful number, since it uses less digits than its factorization.

43105440001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039571.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 43105440001 its reverse (10004450134), we get a palindrome (53109890135).

The spelling of 43105440001 in words is "forty-three billion, one hundred five million, four hundred forty thousand, one".

Divisors: 1 13 821 10673 4038737 52503581 3315803077 43105440001