Search a number
-
+
8341945361945 = 513234461547373
BaseRepresentation
bin111100101100100001010…
…1100001010011000011001
31002112111000111220121000022
41321121002230022120121
52043133301003040240
625424123051520225
71520454116431556
oct171310254123031
932474014817008
108341945361945
112726887756818
12b28884759075
1348684682c160
1420ba764a3a2d
15e6ed6cc99b5
hex79642b0a619

8341945361945 has 16 divisors (see below), whose sum is σ = 10780425834192. Its totient is φ = 6160168277760.

The previous prime is 8341945361941. The next prime is 8341945361957. The reversal of 8341945361945 is 5491635491438.

It can be written as a sum of positive squares in 8 ways, for example, as 5080268176 + 8336865093769 = 71276^2 + 2887363^2 .

It is not a de Polignac number, because 8341945361945 - 22 = 8341945361941 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8341945361941) 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, 14966279 + ... + 15513651.

It is an arithmetic number, because the mean of its divisors is an integer number (673776614637).

Almost surely, 28341945361945 is an apocalyptic number.

It is an amenable number.

8341945361945 is a deficient number, since it is larger than the sum of its proper divisors (2438480472247).

8341945361945 is a wasteful number, since it uses less digits than its factorization.

8341945361945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781852.

The product of its digits is 55987200, while the sum is 62.

The spelling of 8341945361945 in words is "eight trillion, three hundred forty-one billion, nine hundred forty-five million, three hundred sixty-one thousand, nine hundred forty-five".

Divisors: 1 5 13 65 234461 547373 1172305 2736865 3047993 7115849 15239965 35579245 128337620953 641688104765 1668389072389 8341945361945