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30874682287 is a prime number
BaseRepresentation
bin11100110000010001…
…100100001110101111
32221200201011100220101
4130300101210032233
51001212404313122
622103355331531
72142050316661
oct346021441657
987621140811
1030874682287
1112103a53859
125b97a50ba7
132bb0665a97
1416cc694531
15c0a804027
hex7304643af

30874682287 has 2 divisors, whose sum is σ = 30874682288. Its totient is φ = 30874682286.

The previous prime is 30874682257. The next prime is 30874682309. The reversal of 30874682287 is 78228647803.

It is a strong prime.

It is an emirp because it is prime and its reverse (78228647803) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30874682287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30874682257) 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, 15437341143 + 15437341144.

It is an arithmetic number, because the mean of its divisors is an integer number (15437341144).

Almost surely, 230874682287 is an apocalyptic number.

30874682287 is a deficient number, since it is larger than the sum of its proper divisors (1).

30874682287 is an equidigital number, since it uses as much as digits as its factorization.

30874682287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7225344, while the sum is 55.

The spelling of 30874682287 in words is "thirty billion, eight hundred seventy-four million, six hundred eighty-two thousand, two hundred eighty-seven".