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30247173487 is a prime number
BaseRepresentation
bin11100001010110111…
…110011110101101111
32220001222101121122201
4130022313303311233
5443421234022422
621521221522331
72120360506156
oct341267636557
986058347581
1030247173487
1111911817143
125a418733a7
132b106580bb
14166d1ca59d
15bc06a0727
hex70adf3d6f

30247173487 has 2 divisors, whose sum is σ = 30247173488. Its totient is φ = 30247173486.

The previous prime is 30247173461. The next prime is 30247173493. The reversal of 30247173487 is 78437174203.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30247173487 - 211 = 30247171439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30247173787) 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, 15123586743 + 15123586744.

It is an arithmetic number, because the mean of its divisors is an integer number (15123586744).

Almost surely, 230247173487 is an apocalyptic number.

30247173487 is a deficient number, since it is larger than the sum of its proper divisors (1).

30247173487 is an equidigital number, since it uses as much as digits as its factorization.

30247173487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 790272, while the sum is 46.

The spelling of 30247173487 in words is "thirty billion, two hundred forty-seven million, one hundred seventy-three thousand, four hundred eighty-seven".