Base | Representation |
---|---|
bin | 101110101010… |
… | …001010001110 |
3 | 212000102012111 |
4 | 232222022032 |
5 | 11112400220 |
6 | 1114054234 |
7 | 205651540 |
oct | 56521216 |
9 | 25012174 |
10 | 12231310 |
11 | 69a4623 |
12 | 411a37a |
13 | 26c3380 |
14 | 18a5690 |
15 | 111915a |
hex | baa28e |
12231310 has 32 divisors (see below), whose sum is σ = 27099072. Its totient is φ = 3870720.
The previous prime is 12231283. The next prime is 12231311. The reversal of 12231310 is 1313221.
12231310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×122313102 = 299209888632200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12231311) 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, 5811 + ... + 7630.
It is an arithmetic number, because the mean of its divisors is an integer number (846846).
Almost surely, 212231310 is an apocalyptic number.
12231310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12231310 is an abundant number, since it is smaller than the sum of its proper divisors (14867762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12231310 is a wasteful number, since it uses less digits than its factorization.
12231310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13468.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 12231310 is about 3497.3289808081. The cubic root of 12231310 is about 230.4045181205.
Adding to 12231310 its reverse (1313221), we get a palindrome (13544531).
The spelling of 12231310 in words is "twelve million, two hundred thirty-one thousand, three hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •