Base | Representation |
---|---|
bin | 111100100110001111… |
… | …0111111100110011001 |
3 | 110102220010201022120001 |
4 | 1321030132333212121 |
5 | 4113002321241441 |
6 | 135440520533001 |
7 | 12254540360302 |
oct | 1711436774631 |
9 | 412803638501 |
10 | 130132212121 |
11 | 5020927204a |
12 | 21279021161 |
13 | c36b3b6162 |
14 | 6426c837a9 |
15 | 35b977c731 |
hex | 1e4c7bf999 |
130132212121 has 8 divisors (see below), whose sum is σ = 132636056904. Its totient is φ = 127630164480.
The previous prime is 130132212107. The next prime is 130132212131. The reversal of 130132212121 is 121212231031.
It can be written as a sum of positive squares in 4 ways, for example, as 2548230400 + 127583981721 = 50480^2 + 357189^2 .
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 130132212121 - 227 = 129997994393 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130132212131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302616 + ... + 593161.
It is an arithmetic number, because the mean of its divisors is an integer number (16579507113).
Almost surely, 2130132212121 is an apocalyptic number.
It is an amenable number.
130132212121 is a deficient number, since it is larger than the sum of its proper divisors (2503844783).
130132212121 is an equidigital number, since it uses as much as digits as its factorization.
130132212121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 898571.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 130132212121 its reverse (121212231031), we get a palindrome (251344443152).
The spelling of 130132212121 in words is "one hundred thirty billion, one hundred thirty-two million, two hundred twelve thousand, one hundred twenty-one".
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