Base | Representation |
---|---|
bin | 101110100101… |
… | …101010011101 |
3 | 211222110221101 |
4 | 232211222131 |
5 | 11111303033 |
6 | 1113433101 |
7 | 205544050 |
oct | 56455235 |
9 | 24873841 |
10 | 12212893 |
11 | 6991800 |
12 | 410b791 |
13 | 26b7b84 |
14 | 189ca97 |
15 | 111397d |
hex | ba5a9d |
12212893 has 12 divisors (see below), whose sum is σ = 15342880. Its totient is φ = 9515880.
The previous prime is 12212887. The next prime is 12212899. The reversal of 12212893 is 39821221.
It is an interprime number because it is at equal distance from previous prime (12212887) and next prime (12212899).
It is not a de Polignac number, because 12212893 - 25 = 12212861 is a prime.
It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12212899) 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, 6363 + ... + 8056.
Almost surely, 212212893 is an apocalyptic number.
It is an amenable number.
12212893 is a deficient number, since it is larger than the sum of its proper divisors (3129987).
12212893 is a wasteful number, since it uses less digits than its factorization.
12212893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14448 (or 14437 counting only the distinct ones).
The product of its digits is 1728, while the sum is 28.
The square root of 12212893 is about 3494.6949795368. The cubic root of 12212893 is about 230.2888180150.
It can be divided in two parts, 122128 and 93, that added together give a palindrome (122221).
The spelling of 12212893 in words is "twelve million, two hundred twelve thousand, eight hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •