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30525071461 is a prime number
BaseRepresentation
bin11100011011011011…
…111010000001100101
32220210100022022000021
4130123123322001211
51000003404241321
622004550115141
72130303553303
oct343333720145
986710268007
1030525071461
1111a44674a95
125aba94bab1
132b560b7a81
141698089273
15bd9c95941
hex71b6fa065

30525071461 has 2 divisors, whose sum is σ = 30525071462. Its totient is φ = 30525071460.

The previous prime is 30525071449. The next prime is 30525071477. The reversal of 30525071461 is 16417052503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25035150625 + 5489920836 = 158225^2 + 74094^2 .

It is an emirp because it is prime and its reverse (16417052503) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30525071461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30525071861) 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, 15262535730 + 15262535731.

It is an arithmetic number, because the mean of its divisors is an integer number (15262535731).

Almost surely, 230525071461 is an apocalyptic number.

It is an amenable number.

30525071461 is a deficient number, since it is larger than the sum of its proper divisors (1).

30525071461 is an equidigital number, since it uses as much as digits as its factorization.

30525071461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 30525071461 in words is "thirty billion, five hundred twenty-five million, seventy-one thousand, four hundred sixty-one".