Base | Representation |
---|---|
bin | 111100110101011110… |
… | …0010011001010100100 |
3 | 110111012202020202010100 |
4 | 1321222330103022210 |
5 | 4120024130222131 |
6 | 140003333224100 |
7 | 12303313653561 |
oct | 1715274231244 |
9 | 414182222110 |
10 | 130643210916 |
11 | 50450760aa9 |
12 | 213a0192030 |
13 | c42021c5ca |
14 | 6474a9d868 |
15 | 35e95697e6 |
hex | 1e6af132a4 |
130643210916 has 81 divisors (see below), whose sum is σ = 333945328171. Its totient is φ = 43064122224.
The previous prime is 130643210909. The next prime is 130643210917. The reversal of 130643210916 is 619012346031.
The square root of 130643210916 is 361446.
It is a perfect power (a square), and thus also a powerful number.
130643210916 is a `hidden beast` number, since 1 + 3 + 0 + 643 + 2 + 1 + 0 + 9 + 1 + 6 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130643210917) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 232048051 + ... + 232048613.
Almost surely, 2130643210916 is an apocalyptic number.
130643210916 is the 361446-th square number.
It is an amenable number.
130643210916 is an abundant number, since it is smaller than the sum of its proper divisors (203302117255).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130643210916 is an equidigital number, since it uses as much as digits as its factorization.
130643210916 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1350 (or 675 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 36.
Multiplying 130643210916 by its sum of digits (36), we get a square (4703155592976 = 21686762).
130643210916 divided by its sum of digits (36) gives a square (3628978081 = 602412).
Adding to 130643210916 its reverse (619012346031), we get a palindrome (749655556947).
The spelling of 130643210916 in words is "one hundred thirty billion, six hundred forty-three million, two hundred ten thousand, nine hundred sixteen".
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