Base | Representation |
---|---|
bin | 110001001011… |
… | …000000110011 |
3 | 220020212222110 |
4 | 301023000303 |
5 | 11244441123 |
6 | 1140140403 |
7 | 214364436 |
oct | 61130063 |
9 | 26225873 |
10 | 12890163 |
11 | 7304630 |
12 | 4397703 |
13 | 2894220 |
14 | 19d781d |
15 | 11e9493 |
hex | c4b033 |
12890163 has 16 divisors (see below), whose sum is σ = 20192256. Its totient is φ = 7211040.
The previous prime is 12890159. The next prime is 12890167. The reversal of 12890163 is 36109821.
It is an interprime number because it is at equal distance from previous prime (12890159) and next prime (12890167).
It is not a de Polignac number, because 12890163 - 22 = 12890159 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12890163.
It is not an unprimeable number, because it can be changed into a prime (12890167) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14595 + ... + 15452.
It is an arithmetic number, because the mean of its divisors is an integer number (1262016).
Almost surely, 212890163 is an apocalyptic number.
12890163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
12890163 is a deficient number, since it is larger than the sum of its proper divisors (7302093).
12890163 is a wasteful number, since it uses less digits than its factorization.
12890163 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30074.
The product of its (nonzero) digits is 2592, while the sum is 30.
The square root of 12890163 is about 3590.2873144081. The cubic root of 12890163 is about 234.4693807264.
Adding to 12890163 its reverse (36109821), we get a palindrome (48999984).
The spelling of 12890163 in words is "twelve million, eight hundred ninety thousand, one hundred sixty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •