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30523072211 is a prime number
BaseRepresentation
bin11100011011010100…
…010001111011010011
32220210012112201112222
4130123110101323103
51000002401302321
622004435211255
72130250555502
oct343324217323
986705481488
1030523072211
1111a43529a15
125aba146b2b
132b55867a98
141697ac8839
15bd99ed3ab
hex71b511ed3

30523072211 has 2 divisors, whose sum is σ = 30523072212. Its totient is φ = 30523072210.

The previous prime is 30523072193. The next prime is 30523072247. The reversal of 30523072211 is 11227032503.

It is a weak prime.

It is an emirp because it is prime and its reverse (11227032503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30523072211 - 218 = 30522810067 is a prime.

It is not a weakly prime, because it can be changed into another prime (30523072271) 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, 15261536105 + 15261536106.

It is an arithmetic number, because the mean of its divisors is an integer number (15261536106).

Almost surely, 230523072211 is an apocalyptic number.

30523072211 is a deficient number, since it is larger than the sum of its proper divisors (1).

30523072211 is an equidigital number, since it uses as much as digits as its factorization.

30523072211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The spelling of 30523072211 in words is "thirty billion, five hundred twenty-three million, seventy-two thousand, two hundred eleven".