Base | Representation |
---|---|
bin | 1101110101011100001111… |
… | …10010000101001100101101 |
3 | 10222201110110012202121211211 |
4 | 12322232013302011030231 |
5 | 12441424343020111341 |
6 | 144412213303114421 |
7 | 6260012320104565 |
oct | 672560762051455 |
9 | 128643405677754 |
10 | 30423531410221 |
11 | 976a602383214 |
12 | 34b434b142a11 |
13 | 13c8c07c6b661 |
14 | 77271484bda5 |
15 | 37b5bc4a2181 |
hex | 1bab87c8532d |
30423531410221 has 16 divisors (see below), whose sum is σ = 32270588978688. Its totient is φ = 28620279388800.
The previous prime is 30423531410219. The next prime is 30423531410243. The reversal of 30423531410221 is 12201413532403.
It is a cyclic number.
It is not a de Polignac number, because 30423531410221 - 21 = 30423531410219 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 (30423531416221) 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, 10458636 + ... + 13047226.
It is an arithmetic number, because the mean of its divisors is an integer number (2016911811168).
Almost surely, 230423531410221 is an apocalyptic number.
It is an amenable number.
30423531410221 is a deficient number, since it is larger than the sum of its proper divisors (1847057568467).
30423531410221 is a wasteful number, since it uses less digits than its factorization.
30423531410221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2597052.
The product of its (nonzero) digits is 17280, while the sum is 31.
Adding to 30423531410221 its reverse (12201413532403), we get a palindrome (42624944942624).
The spelling of 30423531410221 in words is "thirty trillion, four hundred twenty-three billion, five hundred thirty-one million, four hundred ten thousand, two hundred twenty-one".
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