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130221330012521 = 1143275309365777
BaseRepresentation
bin11101100110111110000100…
…000111100001100101101001
3122002002001000101110212200222
4131212332010013201211221
5114032021240440400041
61140542504140135425
736300115644603056
oct3546760407414551
9562061011425628
10130221330012521
1138546612a24550
1212731923b37575
135787a84994837
142422a6305a02d
15100c55040674b
hex766f841e1969

130221330012521 has 8 divisors (see below), whose sum is σ = 145363345130784. Its totient is φ = 115629933625920.

The previous prime is 130221330012497. The next prime is 130221330012533. The reversal of 130221330012521 is 125210033122031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130221330012521 - 238 = 129946452105577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130221330014521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137654682416 + ... + 137654683361.

It is an arithmetic number, because the mean of its divisors is an integer number (18170418141348).

Almost surely, 2130221330012521 is an apocalyptic number.

130221330012521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

130221330012521 is a deficient number, since it is larger than the sum of its proper divisors (15142015118263).

130221330012521 is a wasteful number, since it uses less digits than its factorization.

130221330012521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275309365831.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 130221330012521 its reverse (125210033122031), we get a palindrome (255431363134552).

The spelling of 130221330012521 in words is "one hundred thirty trillion, two hundred twenty-one billion, three hundred thirty million, twelve thousand, five hundred twenty-one".

Divisors: 1 11 43 473 275309365777 3028403023547 11838302728411 130221330012521