Search a number
-
+
30865563067 is a prime number
BaseRepresentation
bin11100101111101110…
…110001110110111011
32221200002000001200111
4130233232301312323
51001203041004232
622102432045151
72141606646223
oct345756616673
987602001614
1030865563067
11120a9895409
125b949937b7
132bab7c20b1
1416cb39d083
15c09b02047
hex72fbb1dbb

30865563067 has 2 divisors, whose sum is σ = 30865563068. Its totient is φ = 30865563066.

The previous prime is 30865563049. The next prime is 30865563101. The reversal of 30865563067 is 76036556803.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30865563067 - 27 = 30865562939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30865563067.

It is not a weakly prime, because it can be changed into another prime (30865563037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15432781533 + 15432781534.

It is an arithmetic number, because the mean of its divisors is an integer number (15432781534).

Almost surely, 230865563067 is an apocalyptic number.

30865563067 is a deficient number, since it is larger than the sum of its proper divisors (1).

30865563067 is an equidigital number, since it uses as much as digits as its factorization.

30865563067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 30865563067 in words is "thirty billion, eight hundred sixty-five million, five hundred sixty-three thousand, sixty-seven".