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42242412137 is a prime number
BaseRepresentation
bin100111010101110110…
…000000111001101001
311001000221112212122212
4213111312000321221
51143003024142022
631223401254505
73023543402342
oct472566007151
9131027485585
1042242412137
1116a07816512
12822aa94435
133ca2813653
14208a3290c9
1511737d03e2
hex9d5d80e69

42242412137 has 2 divisors, whose sum is σ = 42242412138. Its totient is φ = 42242412136.

The previous prime is 42242412089. The next prime is 42242412143. The reversal of 42242412137 is 73121424224.

42242412137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42132078121 + 110334016 = 205261^2 + 10504^2 .

It is a cyclic number.

It is not a de Polignac number, because 42242412137 - 212 = 42242408041 is a prime.

It is not a weakly prime, because it can be changed into another prime (42242412937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21121206068 + 21121206069.

It is an arithmetic number, because the mean of its divisors is an integer number (21121206069).

Almost surely, 242242412137 is an apocalyptic number.

It is an amenable number.

42242412137 is a deficient number, since it is larger than the sum of its proper divisors (1).

42242412137 is an equidigital number, since it uses as much as digits as its factorization.

42242412137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 32.

The spelling of 42242412137 in words is "forty-two billion, two hundred forty-two million, four hundred twelve thousand, one hundred thirty-seven".