Search a number
-
+
30561412162249 is a prime number
BaseRepresentation
bin1101111001011101000100…
…00111011010001011001001
311000012122100100201112220101
412330232202013122023021
513001204233003142444
6144555415142125401
76302663166132433
oct674564207321311
9130178310645811
1030561412162249
119813027481a51
12351700b120861
131408c0c763767
1477927481d653
1537ee8c1083d4
hex1bcba21da2c9

30561412162249 has 2 divisors, whose sum is σ = 30561412162250. Its totient is φ = 30561412162248.

The previous prime is 30561412162187. The next prime is 30561412162273. The reversal of 30561412162249 is 94226121416503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29595427868224 + 965984294025 = 5440168^2 + 982845^2 .

It is a cyclic number.

It is not a de Polignac number, because 30561412162249 - 221 = 30561410065097 is a prime.

It is a super-2 number, since 2×305614121622492 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30561412162199 and 30561412162208.

It is not a weakly prime, because it can be changed into another prime (30561412162049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15280706081124 + 15280706081125.

It is an arithmetic number, because the mean of its divisors is an integer number (15280706081125).

Almost surely, 230561412162249 is an apocalyptic number.

It is an amenable number.

30561412162249 is a deficient number, since it is larger than the sum of its proper divisors (1).

30561412162249 is an equidigital number, since it uses as much as digits as its factorization.

30561412162249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 30561412162249 in words is "thirty trillion, five hundred sixty-one billion, four hundred twelve million, one hundred sixty-two thousand, two hundred forty-nine".