Base | Representation |
---|---|
bin | 100100101110010… |
… | …0001010110100100 |
3 | 10011212121221000210 |
4 | 1021130201112210 |
5 | 10010421312122 |
6 | 322134335420 |
7 | 42351432633 |
oct | 11134412644 |
9 | 3155557023 |
10 | 1232213412 |
11 | 5826091a1 |
12 | 2a47ba570 |
13 | 168392a81 |
14 | b991751a |
15 | 732a040c |
hex | 497215a4 |
1232213412 has 24 divisors (see below), whose sum is σ = 2875975200. Its totient is φ = 410622016.
The previous prime is 1232213399. The next prime is 1232213447. The reversal of 1232213412 is 2143122321.
It is a super-3 number, since 3×12322134123 (a number of 28 digits) contains 333 as substring.
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37264 + ... + 62072.
It is an arithmetic number, because the mean of its divisors is an integer number (119832300).
Almost surely, 21232213412 is an apocalyptic number.
1232213412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1232213412 is an abundant number, since it is smaller than the sum of its proper divisors (1643761788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1232213412 is a wasteful number, since it uses less digits than its factorization.
1232213412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28955 (or 28953 counting only the distinct ones).
The product of its digits is 576, while the sum is 21.
The square root of 1232213412 is about 35102.8974872446. The cubic root of 1232213412 is about 1072.0835785898.
Adding to 1232213412 its reverse (2143122321), we get a palindrome (3375335733).
The spelling of 1232213412 in words is "one billion, two hundred thirty-two million, two hundred thirteen thousand, four hundred twelve".
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