Search a number
-
+
13171162514481 = 321463462501609
BaseRepresentation
bin1011111110101010011001…
…1101101000010000110001
31201122011001221222011110200
42333222212131220100301
53211244020100430411
644002425403145413
72526404454101526
oct277524635502061
951564057864420
1013171162514481
114218949960234
1215887ab815269
1374705c71079a
143376b823114d
1517c92b0b5e56
hexbfaa6768431

13171162514481 has 6 divisors (see below), whose sum is σ = 19025012520930. Its totient is φ = 8780775009648.

The previous prime is 13171162514453. The next prime is 13171162514483. The reversal of 13171162514481 is 18441526117131.

13171162514481 is a `hidden beast` number, since 1 + 3 + 1 + 7 + 1 + 1 + 625 + 14 + 4 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10287927950400 + 2883234564081 = 3207480^2 + 1698009^2 .

It is not a de Polignac number, because 13171162514481 - 221 = 13171160417329 is a prime.

It is a super-2 number, since 2×131711625144812 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13171162514483) 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 5 ways as a sum of consecutive naturals, for example, 731731250796 + ... + 731731250813.

It is an arithmetic number, because the mean of its divisors is an integer number (3170835420155).

Almost surely, 213171162514481 is an apocalyptic number.

It is an amenable number.

13171162514481 is a deficient number, since it is larger than the sum of its proper divisors (5853850006449).

13171162514481 is a wasteful number, since it uses less digits than its factorization.

13171162514481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463462501615 (or 1463462501612 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The spelling of 13171162514481 in words is "thirteen trillion, one hundred seventy-one billion, one hundred sixty-two million, five hundred fourteen thousand, four hundred eighty-one".

Divisors: 1 3 9 1463462501609 4390387504827 13171162514481