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17125707330121 = 137800411688837
BaseRepresentation
bin1111100100110110001110…
…1100111011001001001001
32020122012102222201020210011
43321031203230323021021
54221041422034030441
6100231235154551521
73415201664315365
oct371154354731111
966565388636704
1017125707330121
115502a7635a035
121b070b08985a1
13972c41204710
14432c626942a5
151ea72b6bd581
hexf9363b3b249

17125707330121 has 8 divisors (see below), whose sum is σ = 18443103996744. Its totient is φ = 15808315601280.

The previous prime is 17125707330089. The next prime is 17125707330139. The reversal of 17125707330121 is 12103370752171.

It can be written as a sum of positive squares in 4 ways, for example, as 303200004496 + 16822507325625 = 550636^2 + 4101525^2 .

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 17125707330121 - 25 = 17125707330089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17125707330181) 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, 9296115 + ... + 10984951.

It is an arithmetic number, because the mean of its divisors is an integer number (2305387999593).

Almost surely, 217125707330121 is an apocalyptic number.

It is an amenable number.

17125707330121 is a deficient number, since it is larger than the sum of its proper divisors (1317396666623).

17125707330121 is a wasteful number, since it uses less digits than its factorization.

17125707330121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468891.

The product of its (nonzero) digits is 61740, while the sum is 40.

The spelling of 17125707330121 in words is "seventeen trillion, one hundred twenty-five billion, seven hundred seven million, three hundred thirty thousand, one hundred twenty-one".

Divisors: 1 13 780041 1688837 10140533 21954881 1317362102317 17125707330121