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30688234667 is a prime number
BaseRepresentation
bin11100100101001010…
…010100110010101011
32221012201022211211222
4130211022110302223
51000322142002132
622033055212255
72134324455626
oct344512246253
987181284758
1030688234667
1112018787a12
125b4551708b
132b80b4524c
1416b19dcdbd
15be9275412
hex725294cab

30688234667 has 2 divisors, whose sum is σ = 30688234668. Its totient is φ = 30688234666.

The previous prime is 30688234631. The next prime is 30688234697. The reversal of 30688234667 is 76643288603.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30688234667 - 210 = 30688233643 is a prime.

It is a super-3 number, since 3×306882346673 (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (30688234697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15344117333 + 15344117334.

It is an arithmetic number, because the mean of its divisors is an integer number (15344117334).

Almost surely, 230688234667 is an apocalyptic number.

30688234667 is a deficient number, since it is larger than the sum of its proper divisors (1).

30688234667 is an equidigital number, since it uses as much as digits as its factorization.

30688234667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 30688234667 in words is "thirty billion, six hundred eighty-eight million, two hundred thirty-four thousand, six hundred sixty-seven".