Base | Representation |
---|---|
bin | 11100010101001011… |
… | …001011100001111110 |
3 | 2220112000122022012011 |
4 | 130111023023201332 |
5 | 444300011222142 |
6 | 21550314401434 |
7 | 2124556634635 |
oct | 342513134176 |
9 | 86460568164 |
10 | 30420023422 |
11 | 119a0345928 |
12 | 5a8b73027a |
13 | 2b3a3c7679 |
14 | 168814251c |
15 | bd0945417 |
hex | 7152cb87e |
30420023422 has 16 divisors (see below), whose sum is σ = 47618412192. Its totient is φ = 14547343360.
The previous prime is 30420023407. The next prime is 30420023429. The reversal of 30420023422 is 22432002403.
It is a junction number, because it is equal to n+sod(n) for n = 30420023393 and 30420023402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30420023429) 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 7 ways as a sum of consecutive naturals, for example, 605922 + ... + 654202.
It is an arithmetic number, because the mean of its divisors is an integer number (2976150762).
Almost surely, 230420023422 is an apocalyptic number.
30420023422 is a deficient number, since it is larger than the sum of its proper divisors (17198388770).
30420023422 is a wasteful number, since it uses less digits than its factorization.
30420023422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62003.
The product of its (nonzero) digits is 2304, while the sum is 22.
Adding to 30420023422 its reverse (22432002403), we get a palindrome (52852025825).
The spelling of 30420023422 in words is "thirty billion, four hundred twenty million, twenty-three thousand, four hundred twenty-two".
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