Base | Representation |
---|---|
bin | 111100101000111001… |
… | …0111010110000010001 |
3 | 110110010100101112021112 |
4 | 1321101302322300101 |
5 | 4113143124234413 |
6 | 135453422503105 |
7 | 12260001652523 |
oct | 1712162726021 |
9 | 413110345245 |
10 | 130221321233 |
11 | 502545a5043 |
12 | 212a2a34a95 |
13 | c3839b5743 |
14 | 6434a3ba13 |
15 | 35c24d02a8 |
hex | 1e51cbac11 |
130221321233 has 8 divisors (see below), whose sum is σ = 132683740200. Its totient is φ = 127759102848.
The previous prime is 130221321229. The next prime is 130221321247. The reversal of 130221321233 is 332123122031.
It can be written as a sum of positive squares in 4 ways, for example, as 36516152464 + 93705168769 = 191092^2 + 306113^2 .
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 130221321233 - 22 = 130221321229 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130221321199 and 130221321208.
It is not an unprimeable number, because it can be changed into a prime (130221323233) 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, 2234813 + ... + 2292341.
It is an arithmetic number, because the mean of its divisors is an integer number (16585467525).
Almost surely, 2130221321233 is an apocalyptic number.
It is an amenable number.
130221321233 is a deficient number, since it is larger than the sum of its proper divisors (2462418967).
130221321233 is an equidigital number, since it uses as much as digits as its factorization.
130221321233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100291.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 130221321233 its reverse (332123122031), we get a palindrome (462344443264).
The spelling of 130221321233 in words is "one hundred thirty billion, two hundred twenty-one million, three hundred twenty-one thousand, two hundred thirty-three".
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