Base | Representation |
---|---|
bin | 11100000011011011… |
… | …100111111111100111 |
3 | 2212202021111122101001 |
4 | 130003123213333213 |
5 | 443142310010143 |
6 | 21501002214131 |
7 | 2114313463063 |
oct | 340333477747 |
9 | 85667448331 |
10 | 30122344423 |
11 | 11858307226 |
12 | 5a07ab4347 |
13 | 2ac0830152 |
14 | 165a7b4aa3 |
15 | bb474414d |
hex | 7036e7fe7 |
30122344423 has 4 divisors (see below), whose sum is σ = 30209152680. Its totient is φ = 30035536168.
The previous prime is 30122344327. The next prime is 30122344453. The reversal of 30122344423 is 32444322103.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32444322103 = 389 ⋅83404427.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30122344423 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30122344391 and 30122344400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30122344453) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43403608 + ... + 43404301.
It is an arithmetic number, because the mean of its divisors is an integer number (7552288170).
Almost surely, 230122344423 is an apocalyptic number.
30122344423 is a deficient number, since it is larger than the sum of its proper divisors (86808257).
30122344423 is an equidigital number, since it uses as much as digits as its factorization.
30122344423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86808256.
The product of its (nonzero) digits is 13824, while the sum is 28.
Adding to 30122344423 its reverse (32444322103), we get a palindrome (62566666526).
It can be divided in two parts, 30122 and 344423, that added together give a triangular number (374545 = T865).
The spelling of 30122344423 in words is "thirty billion, one hundred twenty-two million, three hundred forty-four thousand, four hundred twenty-three".
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