Search a number
-
+
210530286529 is a prime number
BaseRepresentation
bin1100010000010010010…
…1010011101111000001
3202010102012212122222121
43010010211103233001
511422131223132104
6240414414404241
721132064623553
oct3040445235701
9663365778877
10210530286529
1181315949342
1234976200681
1316b11b36c54
14a2928414d3
155722b7e254
hex3104953bc1

210530286529 has 2 divisors, whose sum is σ = 210530286530. Its totient is φ = 210530286528.

The previous prime is 210530286503. The next prime is 210530286541. The reversal of 210530286529 is 925682035012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208805130304 + 1725156225 = 456952^2 + 41535^2 .

It is a cyclic number.

It is not a de Polignac number, because 210530286529 - 213 = 210530278337 is a prime.

It is not a weakly prime, because it can be changed into another prime (210530286559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105265143264 + 105265143265.

It is an arithmetic number, because the mean of its divisors is an integer number (105265143265).

Almost surely, 2210530286529 is an apocalyptic number.

It is an amenable number.

210530286529 is a deficient number, since it is larger than the sum of its proper divisors (1).

210530286529 is an equidigital number, since it uses as much as digits as its factorization.

210530286529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 210530286529 in words is "two hundred ten billion, five hundred thirty million, two hundred eighty-six thousand, five hundred twenty-nine".