Base | Representation |
---|---|
bin | 100100000111111… |
… | …1100111110000100 |
3 | 10010110212011110120 |
4 | 1020033330332010 |
5 | 4440302011234 |
6 | 320140221540 |
7 | 42016014033 |
oct | 11017747604 |
9 | 3113764416 |
10 | 1212141444 |
11 | 572249898 |
12 | 299b3a8b0 |
13 | 164185977 |
14 | b6db071a |
15 | 71638049 |
hex | 483fcf84 |
1212141444 has 24 divisors (see below), whose sum is σ = 2845270848. Its totient is φ = 401627040.
The previous prime is 1212141409. The next prime is 1212141479. The reversal of 1212141444 is 4441412121.
It is an interprime number because it is at equal distance from previous prime (1212141409) and next prime (1212141479).
It is a nude number because it is divisible by every one of its digits.
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, 300427 + ... + 304434.
It is an arithmetic number, because the mean of its divisors is an integer number (118552952).
Almost surely, 21212141444 is an apocalyptic number.
It is an amenable number.
1212141444 is an abundant number, since it is smaller than the sum of its proper divisors (1633129404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1212141444 is a wasteful number, since it uses less digits than its factorization.
1212141444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 605035 (or 605033 counting only the distinct ones).
The product of its digits is 1024, while the sum is 24.
The square root of 1212141444 is about 34815.8217481650. The cubic root of 1212141444 is about 1066.2304964531.
Adding to 1212141444 its reverse (4441412121), we get a palindrome (5653553565).
The spelling of 1212141444 in words is "one billion, two hundred twelve million, one hundred forty-one thousand, four hundred forty-four".
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