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44880000001 = 371212972973
BaseRepresentation
bin101001110011000011…
…100111010000000001
311021211202122020000021
4221303003213100001
51213403240000001
632341222053441
73146111464024
oct516303472001
9137752566007
1044880000001
11180406542a1
12884627a281
1343030b7225
14225a7531bb
15127a137ba1
hexa730e7401

44880000001 has 4 divisors (see below), whose sum is σ = 46092973012. Its totient is φ = 43667026992.

The previous prime is 44879999951. The next prime is 44880000043. The reversal of 44880000001 is 10000008844.

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 26001240001 + 18878760000 = 161249^2 + 137400^2 .

It is a cyclic number.

It is not a de Polignac number, because 44880000001 - 227 = 44745782273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44880000091) 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, 606486450 + ... + 606486523.

It is an arithmetic number, because the mean of its divisors is an integer number (11523243253).

Almost surely, 244880000001 is an apocalyptic number.

It is an amenable number.

44880000001 is a deficient number, since it is larger than the sum of its proper divisors (1212973011).

44880000001 is a wasteful number, since it uses less digits than its factorization.

44880000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212973010.

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 44880000001 its reverse (10000008844), we get a palindrome (54880008845).

The spelling of 44880000001 in words is "forty-four billion, eight hundred eighty million, one", and thus it is an aban number.

Divisors: 1 37 1212972973 44880000001