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30407202461 is a prime number
BaseRepresentation
bin11100010100011010…
…010001011010011101
32220111010111221010202
4130110122101122131
5444233220434321
621545135513245
72124342646016
oct342432213235
986433457122
1030407202461
1111994089299
125a87388825
132b37858abc
14168656600d
15bce76170b
hex71469169d

30407202461 has 2 divisors, whose sum is σ = 30407202462. Its totient is φ = 30407202460.

The previous prime is 30407202451. The next prime is 30407202499. The reversal of 30407202461 is 16420270403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23403186361 + 7004016100 = 152981^2 + 83690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30407202461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30407202401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15203601230 + 15203601231.

It is an arithmetic number, because the mean of its divisors is an integer number (15203601231).

Almost surely, 230407202461 is an apocalyptic number.

It is an amenable number.

30407202461 is a deficient number, since it is larger than the sum of its proper divisors (1).

30407202461 is an equidigital number, since it uses as much as digits as its factorization.

30407202461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 30407202461 its reverse (16420270403), we get a palindrome (46827472864).

The spelling of 30407202461 in words is "thirty billion, four hundred seven million, two hundred two thousand, four hundred sixty-one".