Base | Representation |
---|---|
bin | 11011111100010110… |
… | …011001001010000111 |
3 | 2212102222221100221121 |
4 | 123330112121022013 |
5 | 442421401014143 |
6 | 21441115454411 |
7 | 2111341550314 |
oct | 337426311207 |
9 | 85388840847 |
10 | 30003532423 |
11 | 117a7236a97 |
12 | 5994157407 |
13 | 2aa2030ba7 |
14 | 1648ac7d0b |
15 | ba90c57ed |
hex | 6fc599287 |
30003532423 has 2 divisors, whose sum is σ = 30003532424. Its totient is φ = 30003532422.
The previous prime is 30003532421. The next prime is 30003532477. The reversal of 30003532423 is 32423530003.
It is a weak prime.
It is an emirp because it is prime and its reverse (32423530003) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30003532423 - 21 = 30003532421 is a prime.
Together with 30003532421, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30003532421) 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, 15001766211 + 15001766212.
It is an arithmetic number, because the mean of its divisors is an integer number (15001766212).
Almost surely, 230003532423 is an apocalyptic number.
30003532423 is a deficient number, since it is larger than the sum of its proper divisors (1).
30003532423 is an equidigital number, since it uses as much as digits as its factorization.
30003532423 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6480, while the sum is 25.
The spelling of 30003532423 in words is "thirty billion, three million, five hundred thirty-two thousand, four hundred twenty-three".
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