Base | Representation |
---|---|
bin | 11001101100000110… |
… | …00110010100000100 |
3 | 1022121011111010112100 |
4 | 30312003012110010 |
5 | 211221132340334 |
6 | 10200311352100 |
7 | 665525243541 |
oct | 146603062404 |
9 | 38534433470 |
10 | 13791683844 |
11 | 5938056224 |
12 | 280a982630 |
13 | 13ba402593 |
14 | 94b96bbc8 |
15 | 55abd4c99 |
hex | 3360c6504 |
13791683844 has 135 divisors (see below), whose sum is σ = 37458632757. Its totient is φ = 4278501216.
The previous prime is 13791683839. The next prime is 13791683849. The reversal of 13791683844 is 44838619731.
The square root of 13791683844 is 117438.
It is a perfect power (a square), and thus also a powerful number.
It is an interprime number because it is at equal distance from previous prime (13791683839) and next prime (13791683849).
It can be written as a sum of positive squares in only one way, i.e., 12340988100 + 1450695744 = 111090^2 + 38088^2 .
It is not an unprimeable number, because it can be changed into a prime (13791683849) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 372748194 + ... + 372748230.
Almost surely, 213791683844 is an apocalyptic number.
13791683844 is the 117438-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13791683844
13791683844 is an abundant number, since it is smaller than the sum of its proper divisors (23666948913).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13791683844 is an frugal number, since it uses more digits than its factorization.
13791683844 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 176 (or 65 counting only the distinct ones).
The product of its digits is 3483648, while the sum is 54.
The spelling of 13791683844 in words is "thirteen billion, seven hundred ninety-one million, six hundred eighty-three thousand, eight hundred forty-four".
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