Base | Representation |
---|---|
bin | 11101100110111110000100… |
… | …000111100001100101101001 |
3 | 122002002001000101110212200222 |
4 | 131212332010013201211221 |
5 | 114032021240440400041 |
6 | 1140542504140135425 |
7 | 36300115644603056 |
oct | 3546760407414551 |
9 | 562061011425628 |
10 | 130221330012521 |
11 | 38546612a24550 |
12 | 12731923b37575 |
13 | 5787a84994837 |
14 | 2422a6305a02d |
15 | 100c55040674b |
hex | 766f841e1969 |
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".
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