Base | Representation |
---|---|
bin | 1011110000100101110… |
… | …10010011110100000101 |
3 | 1102121220112110002010020 |
4 | 11320102322103310011 |
5 | 23104440303414341 |
6 | 505340525245353 |
7 | 41122410021063 |
oct | 5702272236405 |
9 | 1377815402106 |
10 | 404044201221 |
11 | 146399466661 |
12 | 66381703859 |
13 | 2c14146790b |
14 | 157ad341033 |
15 | a79b9a0566 |
hex | 5e12e93d05 |
404044201221 has 16 divisors (see below), whose sum is σ = 542499933888. Its totient is φ = 267480886400.
The previous prime is 404044201199. The next prime is 404044201247. The reversal of 404044201221 is 122102440404.
It is a cyclic number.
It is not a de Polignac number, because 404044201221 - 227 = 403909983493 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 404044201191 and 404044201200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (404044201271) 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 15 ways as a sum of consecutive naturals, for example, 348195 + ... + 964016.
It is an arithmetic number, because the mean of its divisors is an integer number (33906245868).
Almost surely, 2404044201221 is an apocalyptic number.
It is an amenable number.
404044201221 is a deficient number, since it is larger than the sum of its proper divisors (138455732667).
404044201221 is a wasteful number, since it uses less digits than its factorization.
404044201221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1312932.
The product of its (nonzero) digits is 2048, while the sum is 24.
Adding to 404044201221 its reverse (122102440404), we get a palindrome (526146641625).
The spelling of 404044201221 in words is "four hundred four billion, forty-four million, two hundred one thousand, two hundred twenty-one".
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