Base | Representation |
---|---|
bin | 11100000011011111… |
… | …011001011101000011 |
3 | 2212202100100220001102 |
4 | 130003133121131003 |
5 | 443143033132233 |
6 | 21501035325015 |
7 | 2114325052400 |
oct | 340337313503 |
9 | 85670326042 |
10 | 30123333443 |
11 | 118589222a5 |
12 | 5a082b076b |
13 | 2ac0ab8378 |
14 | 165a9912a7 |
15 | bb488c1e8 |
hex | 7037d9743 |
30123333443 has 6 divisors (see below), whose sum is σ = 35041428756. Its totient is φ = 25820000052.
The previous prime is 30123333437. The next prime is 30123333503. The reversal of 30123333443 is 34433332103.
It is a happy number.
It is not a de Polignac number, because 30123333443 - 28 = 30123333187 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30123333403) 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 5 ways as a sum of consecutive naturals, for example, 307380905 + ... + 307381002.
It is an arithmetic number, because the mean of its divisors is an integer number (5840238126).
Almost surely, 230123333443 is an apocalyptic number.
30123333443 is a deficient number, since it is larger than the sum of its proper divisors (4918095313).
30123333443 is an equidigital number, since it uses as much as digits as its factorization.
30123333443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 614761921 (or 614761914 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 29.
Adding to 30123333443 its reverse (34433332103), we get a palindrome (64556665546).
The spelling of 30123333443 in words is "thirty billion, one hundred twenty-three million, three hundred thirty-three thousand, four hundred forty-three".
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