Base | Representation |
---|---|
bin | 100100000111110… |
… | …0110101001101111 |
3 | 10010110200112001220 |
4 | 1020033212221233 |
5 | 4440241100111 |
6 | 320134234423 |
7 | 42015153363 |
oct | 11017465157 |
9 | 3113615056 |
10 | 1212050031 |
11 | 572197145 |
12 | 299ab5a13 |
13 | 16415318a |
14 | b6d892a3 |
15 | 7161ae06 |
hex | 483e6a6f |
1212050031 has 8 divisors (see below), whose sum is σ = 1616353200. Its totient is φ = 807890112.
The previous prime is 1212049999. The next prime is 1212050083. The reversal of 1212050031 is 1300502121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1212050031 - 25 = 1212049999 is a prime.
It is a super-2 number, since 2×12120500312 = 2938130555294201922, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1212057031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14206 + ... + 51243.
It is an arithmetic number, because the mean of its divisors is an integer number (202044150).
Almost surely, 21212050031 is an apocalyptic number.
1212050031 is a deficient number, since it is larger than the sum of its proper divisors (404303169).
1212050031 is an equidigital number, since it uses as much as digits as its factorization.
1212050031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71625.
The product of its (nonzero) digits is 60, while the sum is 15.
The square root of 1212050031 is about 34814.5089151061. The cubic root of 1212050031 is about 1066.2036927114.
Adding to 1212050031 its reverse (1300502121), we get a palindrome (2512552152).
The spelling of 1212050031 in words is "one billion, two hundred twelve million, fifty thousand, thirty-one".
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