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13201211515105 = 5191197111762819
BaseRepresentation
bin1100000000011010010110…
…0001011110000011100001
31201202000122010110120001201
43000012211201132003201
53212242040121440410
644024315225401201
72531520220303405
oct300064541360341
951660563416051
1013201211515105
11422a669822149
121592597039201
13749b3aca1123
14338d28d93105
1517d5d916d83a
hexc01a585e0e1

13201211515105 has 32 divisors (see below), whose sum is σ = 16019811624960. Its totient is φ = 10442824116480.

The previous prime is 13201211515103. The next prime is 13201211515139. The reversal of 13201211515105 is 50151511210231.

It is not a de Polignac number, because 13201211515105 - 21 = 13201211515103 is a prime.

It is a super-3 number, since 3×132012115151053 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (13201211515103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210115386 + ... + 210178204.

It is an arithmetic number, because the mean of its divisors is an integer number (500619113280).

Almost surely, 213201211515105 is an apocalyptic number.

It is an amenable number.

13201211515105 is a deficient number, since it is larger than the sum of its proper divisors (2818600109855).

13201211515105 is a wasteful number, since it uses less digits than its factorization.

13201211515105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64329.

The product of its (nonzero) digits is 1500, while the sum is 28.

Adding to 13201211515105 its reverse (50151511210231), we get a palindrome (63352722725336).

The spelling of 13201211515105 in words is "thirteen trillion, two hundred one billion, two hundred eleven million, five hundred fifteen thousand, one hundred five".

Divisors: 1 5 191 197 955 985 1117 5585 37627 62819 188135 213347 220049 314095 1066735 1100245 11998429 12375343 42029359 59992145 61876715 70168823 210146795 350844115 2363690513 11818452565 13402245193 13823258131 67011225965 69116290655 2640242303021 13201211515105