Base | Representation |
---|---|
bin | 100111010101001011… |
… | …010100101100100110 |
3 | 11001000011111022100102 |
4 | 213111023110230212 |
5 | 1142442143033110 |
6 | 31222321344102 |
7 | 3023346312245 |
oct | 472513245446 |
9 | 131004438312 |
10 | 42231221030 |
11 | 16a01472469 |
12 | 8227198032 |
13 | 3ca03c58ab |
14 | 2088a5495c |
15 | 117281e5a5 |
hex | 9d52d4b26 |
42231221030 has 32 divisors (see below), whose sum is σ = 77129273088. Its totient is φ = 16645400800.
The previous prime is 42231221027. The next prime is 42231221047. The reversal of 42231221030 is 3012213224.
42231221030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 42231220993 and 42231221011.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1355609 + ... + 1386411.
It is an arithmetic number, because the mean of its divisors is an integer number (2410289784).
Almost surely, 242231221030 is an apocalyptic number.
42231221030 is a deficient number, since it is larger than the sum of its proper divisors (34898052058).
42231221030 is a wasteful number, since it uses less digits than its factorization.
42231221030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32812.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 42231221030 its reverse (3012213224), we get a palindrome (45243434254).
The spelling of 42231221030 in words is "forty-two billion, two hundred thirty-one million, two hundred twenty-one thousand, thirty".
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