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30000013247 is a prime number
BaseRepresentation
bin11011111100001000…
…111101111110111111
32212102202022120112202
4123330020331332333
5442420000410442
621440512222115
72111266622321
oct337410757677
985382276482
1030000013247
11117a5252a86
125992b3a93b
132aa139b139
14164844d611
15ba8b2cc32
hex6fc23dfbf

30000013247 has 2 divisors, whose sum is σ = 30000013248. Its totient is φ = 30000013246.

The previous prime is 30000013231. The next prime is 30000013249. The reversal of 30000013247 is 74231000003.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30000013247 - 24 = 30000013231 is a prime.

Together with 30000013249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30000013249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000006623 + 15000006624.

It is an arithmetic number, because the mean of its divisors is an integer number (15000006624).

Almost surely, 230000013247 is an apocalyptic number.

30000013247 is a deficient number, since it is larger than the sum of its proper divisors (1).

30000013247 is an equidigital number, since it uses as much as digits as its factorization.

30000013247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 20.

The spelling of 30000013247 in words is "thirty billion, thirteen thousand, two hundred forty-seven".