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9144445086721 = 71776844076359
BaseRepresentation
bin1000010100010001101101…
…1001101010110000000001
31012101012102002201111202001
42011010123121222300001
52144310310420233341
631240522230024001
71632443605515130
oct205043331526001
935335362644661
109144445086721
112a0615694675a
1210383081a8001
1351441863c8c9
14238844807917
1510cd04790d31
hex8511b66ac01

9144445086721 has 8 divisors (see below), whose sum is σ = 11065546995840. Its totient is φ = 7377031330368.

The previous prime is 9144445086703. The next prime is 9144445086727. The reversal of 9144445086721 is 1276805444419.

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

It is not a de Polignac number, because 9144445086721 - 29 = 9144445086209 is a prime.

It is a super-3 number, since 3×91444450867213 (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9144445086727) 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, 38422038061 + ... + 38422038298.

It is an arithmetic number, because the mean of its divisors is an integer number (1383193374480).

Almost surely, 29144445086721 is an apocalyptic number.

It is an amenable number.

9144445086721 is a deficient number, since it is larger than the sum of its proper divisors (1921101909119).

9144445086721 is a wasteful number, since it uses less digits than its factorization.

9144445086721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76844076383.

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 9144445086721 in words is "nine trillion, one hundred forty-four billion, four hundred forty-five million, eighty-six thousand, seven hundred twenty-one".

Divisors: 1 7 17 119 76844076359 537908534513 1306349298103 9144445086721