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830193067905 = 351927110748923
BaseRepresentation
bin11000001010010110101…
…11001110011110000001
32221100212120201111201220
430011023113032132001
5102100213411133110
61433215130345253
7113656646434035
oct14051327163601
92840776644656
10830193067905
112a00a0386583
12114a91b8b229
136039633c726
142c2782aa1c5
15168ddd56370
hexc14b5ce781

830193067905 has 32 divisors (see below), whose sum is σ = 1403379517440. Its totient is φ = 417918087360.

The previous prime is 830193067903. The next prime is 830193067931. The reversal of 830193067905 is 509760391038.

It is not a de Polignac number, because 830193067905 - 21 = 830193067903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (830193067903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5297227 + ... + 5451696.

It is an arithmetic number, because the mean of its divisors is an integer number (43855609920).

Almost surely, 2830193067905 is an apocalyptic number.

It is an amenable number.

830193067905 is a deficient number, since it is larger than the sum of its proper divisors (573186449535).

830193067905 is a wasteful number, since it uses less digits than its factorization.

830193067905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10749221.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 830193067905 in words is "eight hundred thirty billion, one hundred ninety-three million, sixty-seven thousand, nine hundred five".

Divisors: 1 3 5 15 19 57 95 271 285 813 1355 4065 5149 15447 25745 77235 10748923 32246769 53744615 161233845 204229537 612688611 1021147685 2912958133 3063443055 8738874399 14564790665 43694371995 55346204527 166038613581 276731022635 830193067905