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130221300133 = 185937003781
BaseRepresentation
bin111100101000111001…
…0110101100110100101
3110110010100100110100001
41321101302311212211
54113143123101013
6135453422221301
712260001534151
oct1712162654645
9413110313301
10130221300133
1150254590201
12212a2a24831
13c3839a8c62
146434a34061
1535c24c8ddd
hex1e51cb59a5

130221300133 has 4 divisors (see below), whose sum is σ = 130228322508. Its totient is φ = 130214277760.

The previous prime is 130221300113. The next prime is 130221300191. The reversal of 130221300133 is 331003122031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108938283364 + 21283016769 = 330058^2 + 145887^2 .

It is a cyclic number.

It is not a de Polignac number, because 130221300133 - 229 = 129684429221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130221300133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130221300113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3483298 + ... + 3520483.

It is an arithmetic number, because the mean of its divisors is an integer number (32557080627).

Almost surely, 2130221300133 is an apocalyptic number.

It is an amenable number.

130221300133 is a deficient number, since it is larger than the sum of its proper divisors (7022375).

130221300133 is an equidigital number, since it uses as much as digits as its factorization.

130221300133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7022374.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 130221300133 its reverse (331003122031), we get a palindrome (461224422164).

The spelling of 130221300133 in words is "one hundred thirty billion, two hundred twenty-one million, three hundred thousand, one hundred thirty-three".

Divisors: 1 18593 7003781 130221300133