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30012111169 is a prime number
BaseRepresentation
bin11011111100110111…
…000111100101000001
32212110121002012202221
4123330313013211001
5442431100024134
621442023411041
72111504510245
oct337467074501
985417065687
1030012111169
1111801066367
125996bb3a81
132aa3a45881
141649cbc425
15ba9c1c5b4
hex6fcdc7941

30012111169 has 2 divisors, whose sum is σ = 30012111170. Its totient is φ = 30012111168.

The previous prime is 30012111137. The next prime is 30012111187. The reversal of 30012111169 is 96111121003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17582760000 + 12429351169 = 132600^2 + 111487^2 .

It is a cyclic number.

It is not a de Polignac number, because 30012111169 - 25 = 30012111137 is a prime.

It is a super-2 number, since 2×300121111692 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30012111109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006055584 + 15006055585.

It is an arithmetic number, because the mean of its divisors is an integer number (15006055585).

Almost surely, 230012111169 is an apocalyptic number.

It is an amenable number.

30012111169 is a deficient number, since it is larger than the sum of its proper divisors (1).

30012111169 is an equidigital number, since it uses as much as digits as its factorization.

30012111169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 30012111169 in words is "thirty billion, twelve million, one hundred eleven thousand, one hundred sixty-nine".