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44506011689 = 61739994613
BaseRepresentation
bin101001011100110000…
…111101100000101001
311020212200220122111022
4221130300331200221
51212122014333224
632240142142225
73133620600056
oct513460754051
9136780818438
1044506011689
1117969535347
128760b81975
134273782479
142222c0002d
1512573b165e
hexa5cc3d829

44506011689 has 8 divisors (see below), whose sum is σ = 45855289032. Its totient is φ = 43176723840.

The previous prime is 44506011637. The next prime is 44506011791. The reversal of 44506011689 is 98611060544.

It can be written as a sum of positive squares in 4 ways, for example, as 97614400 + 44408397289 = 9880^2 + 210733^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 44506011689 - 224 = 44489234473 is a prime.

It is a super-2 number, since 2×445060116892 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44506011889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4992854 + ... + 5001759.

It is an arithmetic number, because the mean of its divisors is an integer number (5731911129).

Almost surely, 244506011689 is an apocalyptic number.

It is an amenable number.

44506011689 is a deficient number, since it is larger than the sum of its proper divisors (1349277343).

44506011689 is an equidigital number, since it uses as much as digits as its factorization.

44506011689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9994747.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 44506011689 in words is "forty-four billion, five hundred six million, eleven thousand, six hundred eighty-nine".

Divisors: 1 61 73 4453 9994613 609671393 729606749 44506011689