Base | Representation |
---|---|
bin | 101110101011… |
… | …111111011011 |
3 | 212000210111022 |
4 | 232223333123 |
5 | 11113120221 |
6 | 1114153055 |
7 | 206012444 |
oct | 56537733 |
9 | 25023438 |
10 | 12238811 |
11 | 69aa222 |
12 | 412278b |
13 | 26c6900 |
14 | 18a82cb |
15 | 111b4ab |
hex | babfdb |
12238811 has 12 divisors (see below), whose sum is σ = 13373640. Its totient is φ = 11194560.
The previous prime is 12238799. The next prime is 12238843. The reversal of 12238811 is 11883221.
12238811 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12238811 - 222 = 8044507 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12238871) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23231 + ... + 23751.
It is an arithmetic number, because the mean of its divisors is an integer number (1114470).
Almost surely, 212238811 is an apocalyptic number.
12238811 is a deficient number, since it is larger than the sum of its proper divisors (1134829).
12238811 is a wasteful number, since it uses less digits than its factorization.
12238811 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 686 (or 673 counting only the distinct ones).
The product of its digits is 768, while the sum is 26.
The square root of 12238811 is about 3498.4012062655. The cubic root of 12238811 is about 230.4516079557.
The spelling of 12238811 in words is "twelve million, two hundred thirty-eight thousand, eight hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •