Base | Representation |
---|---|
bin | 11100001010101001… |
… | …011010111011011010 |
3 | 2220001201021222101001 |
4 | 130022221122323122 |
5 | 443414302321214 |
6 | 21521005015214 |
7 | 2120313446011 |
oct | 341251327332 |
9 | 86051258331 |
10 | 30243401434 |
11 | 1190a680144 |
12 | 5a4055450a |
13 | 2b0c93720c |
14 | 166c8c7a78 |
15 | bc01a7c74 |
hex | 70aa5aeda |
30243401434 has 4 divisors (see below), whose sum is σ = 45365102154. Its totient is φ = 15121700716.
The previous prime is 30243401407. The next prime is 30243401437. The reversal of 30243401434 is 43410434203.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43410434203 = 241 ⋅180126283.
It can be written as a sum of positive squares in only one way, i.e., 28040507209 + 2202894225 = 167453^2 + 46935^2 .
It is not an unprimeable number, because it can be changed into a prime (30243401437) 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 as a sum of consecutive naturals, namely, 7560850357 + ... + 7560850360.
Almost surely, 230243401434 is an apocalyptic number.
30243401434 is a deficient number, since it is larger than the sum of its proper divisors (15121700720).
30243401434 is a wasteful number, since it uses less digits than its factorization.
30243401434 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15121700719.
The product of its (nonzero) digits is 13824, while the sum is 28.
Adding to 30243401434 its reverse (43410434203), we get a palindrome (73653835637).
The spelling of 30243401434 in words is "thirty billion, two hundred forty-three million, four hundred one thousand, four hundred thirty-four".
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