Base | Representation |
---|---|
bin | 10011000001110110… |
… | …011011110001011101 |
3 | 1221201221200022210222 |
4 | 103001312123301131 |
5 | 313321112011110 |
6 | 13215243411125 |
7 | 1322220223244 |
oct | 230166336135 |
9 | 57657608728 |
10 | 20432141405 |
11 | 8735458285 |
12 | 3b62823aa5 |
13 | 1c08090b00 |
14 | dbb85595b |
15 | 7e8b7cc55 |
hex | 4c1d9bc5d |
20432141405 has 12 divisors (see below), whose sum is σ = 26549694900. Its totient is φ = 15088349952.
The previous prime is 20432141399. The next prime is 20432141423. The reversal of 20432141405 is 50414123402.
It can be written as a sum of positive squares in 6 ways, for example, as 545783044 + 19886358361 = 23362^2 + 141019^2 .
It is not a de Polignac number, because 20432141405 - 216 = 20432075869 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 (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12089180 + ... + 12090869.
It is an arithmetic number, because the mean of its divisors is an integer number (2212474575).
Almost surely, 220432141405 is an apocalyptic number.
It is an amenable number.
20432141405 is a deficient number, since it is larger than the sum of its proper divisors (6117553495).
20432141405 is a wasteful number, since it uses less digits than its factorization.
20432141405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24180080 (or 24180067 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 26.
Adding to 20432141405 its reverse (50414123402), we get a palindrome (70846264807).
The spelling of 20432141405 in words is "twenty billion, four hundred thirty-two million, one hundred forty-one thousand, four hundred five".
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