Base | Representation |
---|---|
bin | 100100101110010… |
… | …0001010000010100 |
3 | 10011212121220110222 |
4 | 1021130201100110 |
5 | 10010421304022 |
6 | 322134333512 |
7 | 42351431522 |
oct | 11134412024 |
9 | 3155556428 |
10 | 1232213012 |
11 | 582608968 |
12 | 2a47ba298 |
13 | 168392834 |
14 | b9917312 |
15 | 732a0242 |
hex | 49721414 |
1232213012 has 6 divisors (see below), whose sum is σ = 2156372778. Its totient is φ = 616106504.
The previous prime is 1232213009. The next prime is 1232213027. The reversal of 1232213012 is 2103122321.
It can be written as a sum of positive squares in only one way, i.e., 909866896 + 322346116 = 30164^2 + 17954^2 .
It is a super-2 number, since 2×12322130122 = 3036697813884224288, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154026623 + ... + 154026630.
It is an arithmetic number, because the mean of its divisors is an integer number (359395463).
Almost surely, 21232213012 is an apocalyptic number.
It is an amenable number.
1232213012 is a deficient number, since it is larger than the sum of its proper divisors (924159766).
1232213012 is a wasteful number, since it uses less digits than its factorization.
1232213012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 308053257 (or 308053255 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 1232213012 is about 35102.8917897087. The cubic root of 1232213012 is about 1072.0834625835.
Adding to 1232213012 its reverse (2103122321), we get a palindrome (3335335333).
The spelling of 1232213012 in words is "one billion, two hundred thirty-two million, two hundred thirteen thousand, twelve".
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