Base | Representation |
---|---|
bin | 10110100101000100… |
… | …01110100001011010 |
3 | 1011021210220121200201 |
4 | 23102202032201122 |
5 | 144311230403310 |
6 | 5322511052414 |
7 | 606253224343 |
oct | 132242164132 |
9 | 34253817621 |
10 | 12122122330 |
11 | 5160692a1a |
12 | 242381110a |
13 | 11b2552766 |
14 | 82dd2b0ca |
15 | 4ae344e3a |
hex | 2d288e85a |
12122122330 has 8 divisors (see below), whose sum is σ = 21819820212. Its totient is φ = 4848848928.
The previous prime is 12122122291. The next prime is 12122122429. The reversal of 12122122330 is 3322122121.
It can be written as a sum of positive squares in 2 ways, for example, as 10622806489 + 1499315841 = 103067^2 + 38721^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 12122122298 and 12122122307.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606106107 + ... + 606106126.
Almost surely, 212122122330 is an apocalyptic number.
12122122330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12122122330 is a deficient number, since it is larger than the sum of its proper divisors (9697697882).
12122122330 is a wasteful number, since it uses less digits than its factorization.
12122122330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1212212240.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 12122122330 its reverse (3322122121), we get a palindrome (15444244451).
The spelling of 12122122330 in words is "twelve billion, one hundred twenty-two million, one hundred twenty-two thousand, three hundred thirty".
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