Base | Representation |
---|---|
bin | 11100001111110100… |
… | …001111010010101010 |
3 | 2220021202110220120222 |
4 | 130033310033102222 |
5 | 444104002422214 |
6 | 21533343450042 |
7 | 2122415536562 |
oct | 341764172252 |
9 | 86252426528 |
10 | 30330123434 |
11 | 11954622716 |
12 | 5a655b6922 |
13 | 2b248ac100 |
14 | 167a21dda2 |
15 | bc7ad838e |
hex | 70fd0f4aa |
30330123434 has 24 divisors (see below), whose sum is σ = 51856871040. Its totient is φ = 13261751568.
The previous prime is 30330123431. The next prime is 30330123457. The reversal of 30330123434 is 43432103303.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30330123431) 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 11 ways as a sum of consecutive naturals, for example, 2355002 + ... + 2367845.
It is an arithmetic number, because the mean of its divisors is an integer number (2160702960).
Almost surely, 230330123434 is an apocalyptic number.
30330123434 is a deficient number, since it is larger than the sum of its proper divisors (21526747606).
30330123434 is a wasteful number, since it uses less digits than its factorization.
30330123434 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4722894 (or 4722881 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 26.
Adding to 30330123434 its reverse (43432103303), we get a palindrome (73762226737).
The spelling of 30330123434 in words is "thirty billion, three hundred thirty million, one hundred twenty-three thousand, four hundred thirty-four".
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