Base | Representation |
---|---|
bin | 11100010000011011… |
… | …100011011101001011 |
3 | 2220022110212112001102 |
4 | 130100123203131023 |
5 | 444114122222033 |
6 | 21534352412015 |
7 | 2122602253046 |
oct | 342033433513 |
9 | 86273775042 |
10 | 30340429643 |
11 | 1195a421947 |
12 | 5a68b4700b |
13 | 2b26a7a164 |
14 | 167b743c5d |
15 | bc8971de8 |
hex | 7106e374b |
30340429643 has 2 divisors, whose sum is σ = 30340429644. Its totient is φ = 30340429642.
The previous prime is 30340429631. The next prime is 30340429687. The reversal of 30340429643 is 34692404303.
It is a weak prime.
It is an emirp because it is prime and its reverse (34692404303) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30340429643 - 212 = 30340425547 is a prime.
It is a super-3 number, since 3×303404296433 (a number of 32 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30340429597 and 30340429606.
It is not a weakly prime, because it can be changed into another prime (30340429543) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15170214821 + 15170214822.
It is an arithmetic number, because the mean of its divisors is an integer number (15170214822).
Almost surely, 230340429643 is an apocalyptic number.
30340429643 is a deficient number, since it is larger than the sum of its proper divisors (1).
30340429643 is an equidigital number, since it uses as much as digits as its factorization.
30340429643 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 186624, while the sum is 38.
The spelling of 30340429643 in words is "thirty billion, three hundred forty million, four hundred twenty-nine thousand, six hundred forty-three".
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