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44193031680 = 2935723103347
BaseRepresentation
bin101001001010000111…
…000010011000000000
311020001212222121122010
4221022013002120000
51211001404003210
632145122012520
73123100366650
oct511207023000
9136055877563
1044193031680
11178188a5886
1286941a7140
13422398b5b5
1421d340c360
151239b8b920
hexa4a1c2600

44193031680 has 640 divisors, whose sum is σ = 170608508928. Its totient is φ = 9540698112.

The previous prime is 44193031679. The next prime is 44193031691. The reversal of 44193031680 is 8613039144.

It is a tau number, because it is divible by the number of its divisors (640).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 127357267 + ... + 127357613.

Almost surely, 244193031680 is an apocalyptic number.

44193031680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44193031680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85304254464).

44193031680 is an abundant number, since it is smaller than the sum of its proper divisors (126415477248).

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

44193031680 is a wasteful number, since it uses less digits than its factorization.

44193031680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 44193031680 in words is "forty-four billion, one hundred ninety-three million, thirty-one thousand, six hundred eighty".