Base | Representation |
---|---|
bin | 11000010010001111… |
… | …11110000000001110 |
3 | 1020122122021022012012 |
4 | 30021013332000032 |
5 | 203200211021211 |
6 | 5553425141222 |
7 | 641044023266 |
oct | 141107760016 |
9 | 36578238165 |
10 | 13037985806 |
11 | 559066a78a |
12 | 263a48a812 |
13 | 12ca211801 |
14 | 8b98167a6 |
15 | 514956d8b |
hex | 3091fe00e |
13037985806 has 8 divisors (see below), whose sum is σ = 19626577344. Its totient is φ = 6495793360.
The previous prime is 13037985799. The next prime is 13037985823. The reversal of 13037985806 is 60858973031.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11599070 + ... + 11600193.
It is an arithmetic number, because the mean of its divisors is an integer number (2453322168).
Almost surely, 213037985806 is an apocalyptic number.
13037985806 is a deficient number, since it is larger than the sum of its proper divisors (6588591538).
13037985806 is a wasteful number, since it uses less digits than its factorization.
13037985806 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23199546.
The product of its (nonzero) digits is 1088640, while the sum is 50.
Adding to 13037985806 its sum of digits (50), we get a square (13037985856 = 1141842).
The spelling of 13037985806 in words is "thirteen billion, thirty-seven million, nine hundred eighty-five thousand, eight hundred six".
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