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44335044181 = 412113511757
BaseRepresentation
bin101001010010100100…
…110001011001010101
311020102210012121011101
4221102210301121111
51211244232403211
632211153510101
73126443441401
oct512244613125
9136383177141
1044335044181
1117890a8198a
128713872331
13424722196c
142208218101
15124738e5c1
hexa52931655

44335044181 has 8 divisors (see below), whose sum is σ = 45437969304. Its totient is φ = 43233146880.

The previous prime is 44335044139. The next prime is 44335044287. The reversal of 44335044181 is 18144053344.

It can be written as a sum of positive squares in 4 ways, for example, as 9362304081 + 34972740100 = 96759^2 + 187010^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-44335044181 is a prime.

It is a super-2 number, since 2×443350441812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44335044181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44335044121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169246 + ... + 342511.

It is an arithmetic number, because the mean of its divisors is an integer number (5679746163).

Almost surely, 244335044181 is an apocalyptic number.

44335044181 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

44335044181 is a deficient number, since it is larger than the sum of its proper divisors (1102925123).

44335044181 is a wasteful number, since it uses less digits than its factorization.

44335044181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513911.

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 44335044181 in words is "forty-four billion, three hundred thirty-five million, forty-four thousand, one hundred eighty-one".

Divisors: 1 41 2113 86633 511757 20982037 1081342541 44335044181