Search a number
-
+
30142113149 is a prime number
BaseRepresentation
bin11100000100100111…
…000010010101111101
32212210122200222222002
4130010213002111331
5443212340110044
621502550032045
72114643506621
oct340447022575
985718628862
1030142113149
1111868489815
125a12648625
132ac4962215
14165d27d181
15bb634b74e
hex7049c257d

30142113149 has 2 divisors, whose sum is σ = 30142113150. Its totient is φ = 30142113148.

The previous prime is 30142113137. The next prime is 30142113167. The reversal of 30142113149 is 94131124103.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22862952025 + 7279161124 = 151205^2 + 85318^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30142113149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30142113349) 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, 15071056574 + 15071056575.

It is an arithmetic number, because the mean of its divisors is an integer number (15071056575).

Almost surely, 230142113149 is an apocalyptic number.

It is an amenable number.

30142113149 is a deficient number, since it is larger than the sum of its proper divisors (1).

30142113149 is an equidigital number, since it uses as much as digits as its factorization.

30142113149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 30142113149 in words is "thirty billion, one hundred forty-two million, one hundred thirteen thousand, one hundred forty-nine".