Base | Representation |
---|---|
bin | 100100001000001… |
… | …0101100001101110 |
3 | 10010111001021102222 |
4 | 1020100111201232 |
5 | 4440313221110 |
6 | 320142315342 |
7 | 42016613216 |
oct | 11020254156 |
9 | 3114037388 |
10 | 1212242030 |
11 | 57230841a |
12 | 299b88b52 |
13 | 1641bc69c |
14 | b6dd9246 |
15 | 71657c55 |
hex | 4841586e |
1212242030 has 16 divisors (see below), whose sum is σ = 2185205904. Its totient is φ = 484192320.
The previous prime is 1212242027. The next prime is 1212242041. The reversal of 1212242030 is 302422121.
It is a congruent number.
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, 80807 + ... + 94626.
It is an arithmetic number, because the mean of its divisors is an integer number (136575369).
Almost surely, 21212242030 is an apocalyptic number.
1212242030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1212242030 is a deficient number, since it is larger than the sum of its proper divisors (972963874).
1212242030 is a wasteful number, since it uses less digits than its factorization.
1212242030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 176131.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 1212242030 is about 34817.2662625887. The cubic root of 1212242030 is about 1066.2599883068.
Adding to 1212242030 its reverse (302422121), we get a palindrome (1514664151).
The spelling of 1212242030 in words is "one billion, two hundred twelve million, two hundred forty-two thousand, thirty".
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