Base | Representation |
---|---|
bin | 11001001100111010… |
… | …11001110100101101 |
3 | 1021220221100112101010 |
4 | 30212131121310231 |
5 | 210202204102140 |
6 | 10114325535433 |
7 | 656201220045 |
oct | 144635316455 |
9 | 37827315333 |
10 | 13530144045 |
11 | 5813460530 |
12 | 2757274579 |
13 | 137817c4c2 |
14 | 924d2a725 |
15 | 542c71880 |
hex | 326759d2d |
13530144045 has 32 divisors (see below), whose sum is σ = 23623893504. Its totient is φ = 6557947200.
The previous prime is 13530144041. The next prime is 13530144049. The reversal of 13530144045 is 54044103531.
It is an interprime number because it is at equal distance from previous prime (13530144041) and next prime (13530144049).
It is not a de Polignac number, because 13530144045 - 22 = 13530144041 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13530144041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 577734 + ... + 600696.
It is an arithmetic number, because the mean of its divisors is an integer number (738246672).
Almost surely, 213530144045 is an apocalyptic number.
13530144045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13530144045 is a deficient number, since it is larger than the sum of its proper divisors (10093749459).
13530144045 is a wasteful number, since it uses less digits than its factorization.
13530144045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26553.
The product of its (nonzero) digits is 14400, while the sum is 30.
Adding to 13530144045 its reverse (54044103531), we get a palindrome (67574247576).
The spelling of 13530144045 in words is "thirteen billion, five hundred thirty million, one hundred forty-four thousand, forty-five".
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