Search a number
-
+
130021223201 is a prime number
BaseRepresentation
bin111100100010111011…
…1100110101100100001
3110102121101212111101022
41321011313212230201
54112240413120301
6135421514015225
712252022106402
oct1710567465441
9412541774338
10130021223201
1150161655471
1221247a17515
13c3513c593c
1464162319a9
1535aeb56d1b
hex1e45de6b21

130021223201 has 2 divisors, whose sum is σ = 130021223202. Its totient is φ = 130021223200.

The previous prime is 130021223179. The next prime is 130021223237. The reversal of 130021223201 is 102322120031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129491302801 + 529920400 = 359849^2 + 23020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130021223201 is a prime.

It is a super-3 number, since 3×1300212232013 (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130021223201.

It is not a weakly prime, because it can be changed into another prime (130021223281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65010611600 + 65010611601.

It is an arithmetic number, because the mean of its divisors is an integer number (65010611601).

Almost surely, 2130021223201 is an apocalyptic number.

It is an amenable number.

130021223201 is a deficient number, since it is larger than the sum of its proper divisors (1).

130021223201 is an equidigital number, since it uses as much as digits as its factorization.

130021223201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 130021223201 its reverse (102322120031), we get a palindrome (232343343232).

The spelling of 130021223201 in words is "one hundred thirty billion, twenty-one million, two hundred twenty-three thousand, two hundred one".