Base | Representation |
---|---|
bin | 11101100011101111011… |
… | …101010011011101011101 |
3 | 21012011222202011220100101 |
4 | 131203233131103131131 |
5 | 231234440423001341 |
6 | 4153050101301101 |
7 | 266516033060560 |
oct | 35435735233535 |
9 | 7164882156311 |
10 | 2031242000221 |
11 | 713499177a85 |
12 | 289802a04791 |
13 | 119712037a35 |
14 | 70453c3c4d7 |
15 | 37c85b8b831 |
hex | 1d8ef75375d |
2031242000221 has 16 divisors (see below), whose sum is σ = 2403414707200. Its totient is φ = 1679901431040.
The previous prime is 2031242000201. The next prime is 2031242000237. The reversal of 2031242000221 is 1220002421302.
It is not a de Polignac number, because 2031242000221 - 27 = 2031242000093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2031242000201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13814946 + ... + 13961203.
It is an arithmetic number, because the mean of its divisors is an integer number (150213419200).
Almost surely, 22031242000221 is an apocalyptic number.
It is an amenable number.
2031242000221 is a deficient number, since it is larger than the sum of its proper divisors (372172706979).
2031242000221 is a wasteful number, since it uses less digits than its factorization.
2031242000221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27776524.
The product of its (nonzero) digits is 384, while the sum is 19.
Adding to 2031242000221 its reverse (1220002421302), we get a palindrome (3251244421523).
The spelling of 2031242000221 in words is "two trillion, thirty-one billion, two hundred forty-two million, two hundred twenty-one", and thus it is an aban number.
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