Search a number
-
+
30245731559 is a prime number
BaseRepresentation
bin11100001010110010…
…010011110011100111
32220001212200100200222
4130022302103303213
5443420401402214
621521130554555
72120342322251
oct341262236347
986055610628
1030245731559
1111910a2186a
125a41298a5b
132b102719a4
14166cd32cd1
15bc04b838e
hex70ac93ce7

30245731559 has 2 divisors, whose sum is σ = 30245731560. Its totient is φ = 30245731558.

The previous prime is 30245731547. The next prime is 30245731573. The reversal of 30245731559 is 95513754203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30245731559 - 232 = 25950764263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30245731459) 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, 15122865779 + 15122865780.

It is an arithmetic number, because the mean of its divisors is an integer number (15122865780).

Almost surely, 230245731559 is an apocalyptic number.

30245731559 is a deficient number, since it is larger than the sum of its proper divisors (1).

30245731559 is an equidigital number, since it uses as much as digits as its factorization.

30245731559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567000, while the sum is 44.

The spelling of 30245731559 in words is "thirty billion, two hundred forty-five million, seven hundred thirty-one thousand, five hundred fifty-nine".