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44455320320401 = 87750690217013
BaseRepresentation
bin10100001101110100011111…
…00100110111100110010001
312211101212221201010112102001
422012322033210313212101
521311323444000223101
6234314254152554001
712235535164652614
oct1206721744674621
9184355851115361
1044455320320401
111318a4394115a1
124b9b8a49b2901
131ba6170a93b13
14ad9912b5217b
155215b9091901
hex286e8f937991

44455320320401 has 4 divisors (see below), whose sum is σ = 44506010538292. Its totient is φ = 44404630102512.

The previous prime is 44455320320381. The next prime is 44455320320519. The reversal of 44455320320401 is 10402302355444.

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 13696660810000 + 30758659510401 = 3700900^2 + 5546049^2 .

It is a cyclic number.

It is not a de Polignac number, because 44455320320401 - 233 = 44446730385809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44455320326401) 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, 25345107630 + ... + 25345109383.

It is an arithmetic number, because the mean of its divisors is an integer number (11126502634573).

Almost surely, 244455320320401 is an apocalyptic number.

It is an amenable number.

44455320320401 is a deficient number, since it is larger than the sum of its proper divisors (50690217891).

44455320320401 is an equidigital number, since it uses as much as digits as its factorization.

44455320320401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50690217890.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 44455320320401 its reverse (10402302355444), we get a palindrome (54857622675845).

The spelling of 44455320320401 in words is "forty-four trillion, four hundred fifty-five billion, three hundred twenty million, three hundred twenty thousand, four hundred one".

Divisors: 1 877 50690217013 44455320320401