Base | Representation |
---|---|
bin | 11100001111010101… |
… | …010101001010010100 |
3 | 2220021012020021011021 |
4 | 130033111111022110 |
5 | 444044414133022 |
6 | 21532454050524 |
7 | 2122256632423 |
oct | 341725251224 |
9 | 86235207137 |
10 | 30322021012 |
11 | 1194aa991a8 |
12 | 5a62949a44 |
13 | 2b2300318a |
14 | 16791112ba |
15 | bc70377c7 |
hex | 70f555294 |
30322021012 has 12 divisors (see below), whose sum is σ = 54064735956. Its totient is φ = 14874953600.
The previous prime is 30322020977. The next prime is 30322021019. The reversal of 30322021012 is 21012022303.
It can be written as a sum of positive squares in 2 ways, for example, as 20142421776 + 10179599236 = 141924^2 + 100894^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30322021019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71513989 + ... + 71514412.
It is an arithmetic number, because the mean of its divisors is an integer number (4505394663).
Almost surely, 230322021012 is an apocalyptic number.
It is an amenable number.
30322021012 is a deficient number, since it is larger than the sum of its proper divisors (23742714944).
30322021012 is a wasteful number, since it uses less digits than its factorization.
30322021012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143028458 (or 143028456 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 30322021012 its reverse (21012022303), we get a palindrome (51334043315).
The spelling of 30322021012 in words is "thirty billion, three hundred twenty-two million, twenty-one thousand, twelve".
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