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44400431012 = 2271585729679
BaseRepresentation
bin101001010110011110…
…001100111110100100
311020121100020121000212
4221112132030332210
51211413002243022
632221451154552
73131166302510
oct512636147644
9136540217025
1044400431012
1117914981a93
128731745a58
1342579367b2
142212b99140
15124cea83e2
hexa5678cfa4

44400431012 has 12 divisors (see below), whose sum is σ = 88800862080. Its totient is φ = 19028756136.

The previous prime is 44400430903. The next prime is 44400431027. The reversal of 44400431012 is 21013400444.

It is a happy number.

44400431012 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792864812 + ... + 792864867.

It is an arithmetic number, because the mean of its divisors is an integer number (7400071840).

Almost surely, 244400431012 is an apocalyptic number.

It is an amenable number.

44400431012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44400431012 is a wasteful number, since it uses less digits than its factorization.

44400431012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585729690 (or 1585729688 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 44400431012 its reverse (21013400444), we get a palindrome (65413831456).

The spelling of 44400431012 in words is "forty-four billion, four hundred million, four hundred thirty-one thousand, twelve".

Divisors: 1 2 4 7 14 28 1585729679 3171459358 6342918716 11100107753 22200215506 44400431012