Base | Representation |
---|---|
bin | 11001001110010101… |
… | …01101010010010101 |
3 | 1021221202200220110101 |
4 | 30213022231102111 |
5 | 210213224121440 |
6 | 10115432254101 |
7 | 656404162405 |
oct | 144712552225 |
9 | 37852626411 |
10 | 13542020245 |
11 | 581a132276 |
12 | 275b241331 |
13 | 137a77a040 |
14 | 92673c805 |
15 | 543d1a69a |
hex | 3272ad495 |
13542020245 has 16 divisors (see below), whose sum is σ = 17503340400. Its totient is φ = 9998613504.
The previous prime is 13542020237. The next prime is 13542020269. The reversal of 13542020245 is 54202024531.
13542020245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 5481033156 + 8060987089 = 74034^2 + 89783^2 .
It is a cyclic number.
It is not a de Polignac number, because 13542020245 - 23 = 13542020237 is a prime.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 498781 + ... + 525229.
It is an arithmetic number, because the mean of its divisors is an integer number (1093958775).
Almost surely, 213542020245 is an apocalyptic number.
It is an amenable number.
13542020245 is a deficient number, since it is larger than the sum of its proper divisors (3961320155).
13542020245 is a wasteful number, since it uses less digits than its factorization.
13542020245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34344.
The product of its (nonzero) digits is 9600, while the sum is 28.
Adding to 13542020245 its reverse (54202024531), we get a palindrome (67744044776).
The spelling of 13542020245 in words is "thirteen billion, five hundred forty-two million, twenty thousand, two hundred forty-five".
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