Search a number
-
+
30023231129 is a prime number
BaseRepresentation
bin11011111101100001…
…100010011010011001
32212111101000011111022
4123331201202122121
5442441421344004
621443102012225
72112001153043
oct337541423231
985441004438
1030023231129
1111807370a11
12599a877075
132aa613a128
14164b574a93
15baabb72be
hex6fd862699

30023231129 has 2 divisors, whose sum is σ = 30023231130. Its totient is φ = 30023231128.

The previous prime is 30023231107. The next prime is 30023231153. The reversal of 30023231129 is 92113232003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24889795225 + 5133435904 = 157765^2 + 71648^2 .

It is a cyclic number.

It is not a de Polignac number, because 30023231129 - 232 = 25728263833 is a prime.

It is a super-2 number, since 2×300232311292 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30023231098 and 30023231107.

It is not a weakly prime, because it can be changed into another prime (30023251129) 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, 15011615564 + 15011615565.

It is an arithmetic number, because the mean of its divisors is an integer number (15011615565).

Almost surely, 230023231129 is an apocalyptic number.

It is an amenable number.

30023231129 is a deficient number, since it is larger than the sum of its proper divisors (1).

30023231129 is an equidigital number, since it uses as much as digits as its factorization.

30023231129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 30023231129 in words is "thirty billion, twenty-three million, two hundred thirty-one thousand, one hundred twenty-nine".