Base | Representation |
---|---|
bin | 101110001111… |
… | …011110101110 |
3 | 211210212022002 |
4 | 232033132232 |
5 | 11100401110 |
6 | 1111452302 |
7 | 205015124 |
oct | 56173656 |
9 | 24725262 |
10 | 12122030 |
11 | 692a508 |
12 | 4087092 |
13 | 26856cb |
14 | 1877914 |
15 | 10e6aa5 |
hex | b8f7ae |
12122030 has 16 divisors (see below), whose sum is σ = 22025520. Its totient is φ = 4803072.
The previous prime is 12122021. The next prime is 12122039. The reversal of 12122030 is 3022121.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (12122021) and next prime (12122039).
It is a super-2 number, since 2×121220302 = 293887222641800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12122039) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4595 + ... + 6734.
It is an arithmetic number, because the mean of its divisors is an integer number (1376595).
Almost surely, 212122030 is an apocalyptic number.
12122030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12122030 is a deficient number, since it is larger than the sum of its proper divisors (9903490).
12122030 is a wasteful number, since it uses less digits than its factorization.
12122030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11443.
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 12122030 is about 3481.6705760310. The cubic root of 12122030 is about 229.7162853306.
Adding to 12122030 its reverse (3022121), we get a palindrome (15144151).
Subtracting from 12122030 its reverse (3022121), we obtain a palindrome (9099909).
The spelling of 12122030 in words is "twelve million, one hundred twenty-two thousand, thirty".
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