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30865700027 is a prime number
BaseRepresentation
bin11100101111101111…
…010011010010111011
32221200002021000120002
4130233233103102323
51001203104400102
622102435023215
72141611056431
oct345757232273
987602230502
1030865700027
11120a99792a8
125b94a3ab0b
132bab83c536
1416cb3d6d51
15c09b2c902
hex72fbd34bb

30865700027 has 2 divisors, whose sum is σ = 30865700028. Its totient is φ = 30865700026.

The previous prime is 30865700009. The next prime is 30865700029. The reversal of 30865700027 is 72000756803.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (72000756803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30865700027 - 28 = 30865699771 is a prime.

Together with 30865700029, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30865700029) 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 as a sum of consecutive naturals, namely, 15432850013 + 15432850014.

It is an arithmetic number, because the mean of its divisors is an integer number (15432850014).

Almost surely, 230865700027 is an apocalyptic number.

30865700027 is a deficient number, since it is larger than the sum of its proper divisors (1).

30865700027 is an equidigital number, since it uses as much as digits as its factorization.

30865700027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 30865700027 in words is "thirty billion, eight hundred sixty-five million, seven hundred thousand, twenty-seven".