Search a number
-
+
130221102197 is a prime number
BaseRepresentation
bin111100101000111001…
…0000101010001110101
3110110010022222101211002
41321101302011101311
54113143100232242
6135453414053045
712260000051114
oct1712162052165
9413108871732
10130221102197
115025446551a
12212a294a185
13c383939b34
1464349c1c7b
1535c248a432
hex1e51c85475

130221102197 has 2 divisors, whose sum is σ = 130221102198. Its totient is φ = 130221102196.

The previous prime is 130221102181. The next prime is 130221102217. The reversal of 130221102197 is 791201122031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125944072996 + 4277029201 = 354886^2 + 65399^2 .

It is a cyclic number.

It is not a de Polignac number, because 130221102197 - 24 = 130221102181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130221102497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65110551098 + 65110551099.

It is an arithmetic number, because the mean of its divisors is an integer number (65110551099).

Almost surely, 2130221102197 is an apocalyptic number.

It is an amenable number.

130221102197 is a deficient number, since it is larger than the sum of its proper divisors (1).

130221102197 is an equidigital number, since it uses as much as digits as its factorization.

130221102197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The spelling of 130221102197 in words is "one hundred thirty billion, two hundred twenty-one million, one hundred two thousand, one hundred ninety-seven".