Base | Representation |
---|---|
bin | 1001100111111011101111… |
… | …11100111111111100010110 |
3 | 2202221012012220101221111021 |
4 | 10303331313330333330112 |
5 | 10233214432441043041 |
6 | 113002143204431354 |
7 | 4312666464561145 |
oct | 463756774777426 |
9 | 82835186357437 |
10 | 21163316346646 |
11 | 681a348395441 |
12 | 24597139a855a |
13 | ba68cc902a86 |
14 | 53244a80b75c |
15 | 26a78e2bacd1 |
hex | 133f77f3ff16 |
21163316346646 has 4 divisors (see below), whose sum is σ = 31744974519972. Its totient is φ = 10581658173322.
The previous prime is 21163316346593. The next prime is 21163316346703. The reversal of 21163316346646 is 64664361336112.
It is a semiprime because it is the product of two primes.
It is a junction number, because it is equal to n+sod(n) for n = 21163316346593 and 21163316346602.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5290829086660 + ... + 5290829086663.
It is an arithmetic number, because the mean of its divisors is an integer number (7936243629993).
Almost surely, 221163316346646 is an apocalyptic number.
21163316346646 is a deficient number, since it is larger than the sum of its proper divisors (10581658173326).
21163316346646 is a wasteful number, since it uses less digits than its factorization.
21163316346646 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10581658173325.
The product of its digits is 6718464, while the sum is 52.
The spelling of 21163316346646 in words is "twenty-one trillion, one hundred sixty-three billion, three hundred sixteen million, three hundred forty-six thousand, six hundred forty-six".
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