Base | Representation |
---|---|
bin | 100100011101001… |
… | …0000001000111100 |
3 | 10011020201112010021 |
4 | 1020322100020330 |
5 | 10001121330022 |
6 | 321214021524 |
7 | 42212166154 |
oct | 11072201074 |
9 | 3136645107 |
10 | 1223230012 |
11 | 5785328a4 |
12 | 2a17a78a4 |
13 | 166568b54 |
14 | b8659764 |
15 | 725c87c7 |
hex | 48e9023c |
1223230012 has 12 divisors (see below), whose sum is σ = 2141371960. Its totient is φ = 611409456.
The previous prime is 1223230009. The next prime is 1223230031. The reversal of 1223230012 is 2100323221.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37587 + ... + 62122.
Almost surely, 21223230012 is an apocalyptic number.
It is an amenable number.
1223230012 is a deficient number, since it is larger than the sum of its proper divisors (918141948).
1223230012 is a wasteful number, since it uses less digits than its factorization.
1223230012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102780 (or 102778 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 1223230012 is about 34974.7053168429. The cubic root of 1223230012 is about 1069.4718947488.
Adding to 1223230012 its reverse (2100323221), we get a palindrome (3323553233).
The spelling of 1223230012 in words is "one billion, two hundred twenty-three million, two hundred thirty thousand, twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •