Base | Representation |
---|---|
bin | 11001101101111010… |
… | …11100110001110000 |
3 | 1022122020021021012100 |
4 | 30312331130301300 |
5 | 211234041331313 |
6 | 10202015300400 |
7 | 666102252420 |
oct | 146675346160 |
9 | 38566237170 |
10 | 13806980208 |
11 | 594575364a |
12 | 2813b1a700 |
13 | 13c0629a98 |
14 | 94d9d0480 |
15 | 55c207173 |
hex | 336f5cc70 |
13806980208 has 90 divisors (see below), whose sum is σ = 44172356072. Its totient is φ = 3943785600.
The previous prime is 13806980189. The next prime is 13806980221. The reversal of 13806980208 is 80208960831.
13806980208 is a `hidden beast` number, since 1 + 380 + 69 + 8 + 0 + 208 = 666.
It is a congruent number.
It is an unprimeable number.
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 17 ways as a sum of consecutive naturals, for example, 3728758 + ... + 3732458.
Almost surely, 213806980208 is an apocalyptic number.
13806980208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
13806980208 is an abundant number, since it is smaller than the sum of its proper divisors (30365375864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13806980208 is an frugal number, since it uses more digits than its factorization.
13806980208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7423 (or 3713 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 45.
The spelling of 13806980208 in words is "thirteen billion, eight hundred six million, nine hundred eighty thousand, two hundred eight".
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