Base | Representation |
---|---|
bin | 110001100011… |
… | …011011100111 |
3 | 220102222011220 |
4 | 301203123213 |
5 | 11311141213 |
6 | 1142231423 |
7 | 215262153 |
oct | 61433347 |
9 | 26388156 |
10 | 12990183 |
11 | 7372798 |
12 | 4425573 |
13 | 28ca8cb |
14 | 1a22063 |
15 | 1218e23 |
hex | c636e7 |
12990183 has 8 divisors (see below), whose sum is σ = 17341296. Its totient is φ = 8649600.
The previous prime is 12990181. The next prime is 12990191. The reversal of 12990183 is 38109921.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12990183 - 21 = 12990181 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12990181) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943 + ... + 5183.
It is an arithmetic number, because the mean of its divisors is an integer number (2167662).
Almost surely, 212990183 is an apocalyptic number.
12990183 is a deficient number, since it is larger than the sum of its proper divisors (4351113).
12990183 is a wasteful number, since it uses less digits than its factorization.
12990183 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5265.
The product of its (nonzero) digits is 3888, while the sum is 33.
The square root of 12990183 is about 3604.1896453988. The cubic root of 12990183 is about 235.0742665529.
The spelling of 12990183 in words is "twelve million, nine hundred ninety thousand, one hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •