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15393940009201 = 137357728113037
BaseRepresentation
bin1110000000000010111001…
…0100110111000011110001
32000111122110010222022122201
43200000232110313003301
54004203242120243301
652423513423103201
73146114120054005
oct340005624670361
960448403868581
1015393940009201
1149a55958a8116
121887547441b01
13878847219340
143b30dbcd0705
151ba672025201
hexe002e5370f1

15393940009201 has 16 divisors (see below), whose sum is σ = 16834312058704. Its totient is φ = 13990845947904.

The previous prime is 15393940009159. The next prime is 15393940009207. The reversal of 15393940009201 is 10290004939351.

It can be written as a sum of positive squares in 8 ways, for example, as 180812048400 + 15213127960801 = 425220^2 + 3900401^2 .

It is a cyclic number.

It is not a de Polignac number, because 15393940009201 - 213 = 15393940001009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15393940009207) 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 15 ways as a sum of consecutive naturals, for example, 13508946 + ... + 14604091.

It is an arithmetic number, because the mean of its divisors is an integer number (1052144503669).

Almost surely, 215393940009201 is an apocalyptic number.

It is an amenable number.

15393940009201 is a deficient number, since it is larger than the sum of its proper divisors (1440372049503).

15393940009201 is a wasteful number, since it uses less digits than its factorization.

15393940009201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28113700.

The product of its (nonzero) digits is 262440, while the sum is 46.

The spelling of 15393940009201 in words is "fifteen trillion, three hundred ninety-three billion, nine hundred forty million, nine thousand, two hundred one".

Divisors: 1 13 73 577 949 7501 42121 547573 28113037 365469481 2052251701 16221222349 26679272113 210875890537 1184149231477 15393940009201