Base | Representation |
---|---|
bin | 1011111100001011100011… |
… | …0001110001010100110101 |
3 | 1201111002000010202122101220 |
4 | 2333002320301301110311 |
5 | 3210044202122031123 |
6 | 43531054152340553 |
7 | 2523334652462640 |
oct | 277027061612465 |
9 | 51432003678356 |
10 | 13128520111413 |
11 | 4201857385703 |
12 | 158048a9a4759 |
13 | 74302508ca15 |
14 | 3355d0b44a57 |
15 | 17b782624ce3 |
hex | bf0b8c71535 |
13128520111413 has 8 divisors (see below), whose sum is σ = 20005363979328. Its totient is φ = 7502011492224.
The previous prime is 13128520111411. The next prime is 13128520111417. The reversal of 13128520111413 is 31411102582131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13128520111413 - 21 = 13128520111411 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13128520111411) 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 7 ways as a sum of consecutive naturals, for example, 312583812156 + ... + 312583812197.
It is an arithmetic number, because the mean of its divisors is an integer number (2500670497416).
Almost surely, 213128520111413 is an apocalyptic number.
It is an amenable number.
13128520111413 is a deficient number, since it is larger than the sum of its proper divisors (6876843867915).
13128520111413 is an equidigital number, since it uses as much as digits as its factorization.
13128520111413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 625167624363.
The product of its (nonzero) digits is 5760, while the sum is 33.
Adding to 13128520111413 its reverse (31411102582131), we get a palindrome (44539622693544).
The spelling of 13128520111413 in words is "thirteen trillion, one hundred twenty-eight billion, five hundred twenty million, one hundred eleven thousand, four hundred thirteen".
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