Base | Representation |
---|---|
bin | 101001010000… |
… | …000111000101 |
3 | 202100101212120 |
4 | 221100013011 |
5 | 10232021033 |
6 | 1023440153 |
7 | 160626246 |
oct | 51200705 |
9 | 22311776 |
10 | 10813893 |
11 | 6116702 |
12 | 3756059 |
13 | 231816c |
14 | 1616ccd |
15 | e391b3 |
hex | a501c5 |
10813893 has 4 divisors (see below), whose sum is σ = 14418528. Its totient is φ = 7209260.
The previous prime is 10813889. The next prime is 10813931. The reversal of 10813893 is 39831801.
10813893 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39831801 = 3 ⋅13277267.
It is a cyclic number.
It is not a de Polignac number, because 10813893 - 22 = 10813889 is a prime.
It is a super-3 number, since 3×108138933 (a number of 22 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10813813) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1802313 + ... + 1802318.
It is an arithmetic number, because the mean of its divisors is an integer number (3604632).
Almost surely, 210813893 is an apocalyptic number.
It is an amenable number.
10813893 is a deficient number, since it is larger than the sum of its proper divisors (3604635).
10813893 is an equidigital number, since it uses as much as digits as its factorization.
10813893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3604634.
The product of its (nonzero) digits is 5184, while the sum is 33.
The square root of 10813893 is about 3288.4484183274. The cubic root of 10813893 is about 221.1366312490.
The spelling of 10813893 in words is "ten million, eight hundred thirteen thousand, eight hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •