Base | Representation |
---|---|
bin | 100100000111101… |
… | …1101111101101010 |
3 | 10010110121201020210 |
4 | 1020033131331222 |
5 | 4440233430232 |
6 | 320133401550 |
7 | 42014644542 |
oct | 11017357552 |
9 | 3113551223 |
10 | 1212014442 |
11 | 572172431 |
12 | 299a992b6 |
13 | 16413cc12 |
14 | b6d7a322 |
15 | 716105cc |
hex | 483ddf6a |
1212014442 has 16 divisors (see below), whose sum is σ = 2426700672. Its totient is φ = 403559520.
The previous prime is 1212014437. The next prime is 1212014459. The reversal of 1212014442 is 2444102121.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105403 + ... + 116334.
It is an arithmetic number, because the mean of its divisors is an integer number (151668792).
Almost surely, 21212014442 is an apocalyptic number.
1212014442 is an abundant number, since it is smaller than the sum of its proper divisors (1214686230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1212014442 is a wasteful number, since it uses less digits than its factorization.
1212014442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 222653.
The product of its (nonzero) digits is 512, while the sum is 21.
The square root of 1212014442 is about 34813.9977882460. The cubic root of 1212014442 is about 1066.1932570875.
Adding to 1212014442 its reverse (2444102121), we get a palindrome (3656116563).
It can be divided in two parts, 12120 and 14442, that added together give a palindrome (26562).
The spelling of 1212014442 in words is "one billion, two hundred twelve million, fourteen thousand, four hundred forty-two".
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