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7260386314721 = 73113938729689
BaseRepresentation
bin110100110100111000010…
…1111110100100111100001
3221201002022210202021210112
41221221300233310213201
51422423232344032341
623235213031541105
71346355066265001
oct151516057644741
927632283667715
107260386314721
11234a126884571
1299314082a795
13408861434177
141b159420c001
15c8cd5284aeb
hex69a70bf49e1

7260386314721 has 8 divisors (see below), whose sum is σ = 7360490501640. Its totient is φ = 7160299610112.

The previous prime is 7260386314693. The next prime is 7260386314739. The reversal of 7260386314721 is 1274136830627.

It can be written as a sum of positive squares in 4 ways, for example, as 3303724288225 + 3956662026496 = 1817615^2 + 1989136^2 .

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 7260386314721 - 234 = 7243206445537 is a prime.

It is a super-2 number, since 2×72603863147212 (a number of 27 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 7260386314721.

It is not an unprimeable number, because it can be changed into a prime (7260386319721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3533156 + ... + 5196533.

It is an arithmetic number, because the mean of its divisors is an integer number (920061312705).

Almost surely, 27260386314721 is an apocalyptic number.

It is an amenable number.

7260386314721 is a deficient number, since it is larger than the sum of its proper divisors (100104186919).

7260386314721 is a wasteful number, since it uses less digits than its factorization.

7260386314721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8741155.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 7260386314721 in words is "seven trillion, two hundred sixty billion, three hundred eighty-six million, three hundred fourteen thousand, seven hundred twenty-one".

Divisors: 1 73 11393 831689 8729689 637267297 99457346777 7260386314721