Search a number
-
+
13055120012545 = 5131791291869137
BaseRepresentation
bin1011110111111010000111…
…0010100111010100000001
31201020001112202112021201121
42331332201302213110001
53202343341210400140
643433234521432241
72515126021104412
oct275764162472401
951201482467647
1013055120012545
11418371099aa76
12156a20533b681
137391283b6560
14331c2a737809
151798d878c64a
hexbdfa1ca7501

13055120012545 has 32 divisors (see below), whose sum is σ = 16978645595520. Its totient is φ = 9579408399360.

The previous prime is 13055120012491. The next prime is 13055120012569. The reversal of 13055120012545 is 54521002155031.

It is a de Polignac number, because none of the positive numbers 2k-13055120012545 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13055120012545.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 14586217 + ... + 15455353.

It is an arithmetic number, because the mean of its divisors is an integer number (530582674860).

Almost surely, 213055120012545 is an apocalyptic number.

It is an amenable number.

13055120012545 is a deficient number, since it is larger than the sum of its proper divisors (3923525582975).

13055120012545 is a wasteful number, since it uses less digits than its factorization.

13055120012545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870625.

The product of its (nonzero) digits is 30000, while the sum is 34.

Adding to 13055120012545 its reverse (54521002155031), we get a palindrome (67576122167576).

The spelling of 13055120012545 in words is "thirteen trillion, fifty-five billion, one hundred twenty million, twelve thousand, five hundred forty-five".

Divisors: 1 5 13 65 179 895 1291 2327 6455 11635 16783 83915 231089 869137 1155445 3004157 4345685 11298781 15020785 56493905 155575523 777877615 1122055867 2022481799 5610279335 10112408995 14586726271 72933631355 200848000193 1004240000965 2611024002509 13055120012545