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30247775069 is a prime number
BaseRepresentation
bin11100001010111010…
…000110101101011101
32220002000112011212112
4130022322012231131
5443421412300234
621521242443405
72120365563101
oct341272065535
986060464775
1030247775069
1111912098116
125a41b03565
132b10808b75
14166d305901
15bc076dace
hex70ae86b5d

30247775069 has 2 divisors, whose sum is σ = 30247775070. Its totient is φ = 30247775068.

The previous prime is 30247775029. The next prime is 30247775087. The reversal of 30247775069 is 96057774203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28035483844 + 2212291225 = 167438^2 + 47035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30247775069 is a prime.

It is a super-3 number, since 3×302477750693 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30247775029) 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, 15123887534 + 15123887535.

It is an arithmetic number, because the mean of its divisors is an integer number (15123887535).

Almost surely, 230247775069 is an apocalyptic number.

It is an amenable number.

30247775069 is a deficient number, since it is larger than the sum of its proper divisors (1).

30247775069 is an equidigital number, since it uses as much as digits as its factorization.

30247775069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2222640, while the sum is 50.

The spelling of 30247775069 in words is "thirty billion, two hundred forty-seven million, seven hundred seventy-five thousand, sixty-nine".