Base | Representation |
---|---|
bin | 100111101110111… |
… | …0111111001101100 |
3 | 10102220201011101210 |
4 | 1033131313321230 |
5 | 10212301344322 |
6 | 340143434420 |
7 | 45016164315 |
oct | 11735677154 |
9 | 3386634353 |
10 | 1333231212 |
11 | 624635385 |
12 | 3125b5a10 |
13 | 1832a1911 |
14 | c90d160c |
15 | 7c0a670c |
hex | 4f777e6c |
1333231212 has 24 divisors (see below), whose sum is σ = 3194951536. Its totient is φ = 432399168.
The previous prime is 1333231157. The next prime is 1333231213. The reversal of 1333231212 is 2121323331.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (1333231213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1500943 + ... + 1501830.
Almost surely, 21333231212 is an apocalyptic number.
1333231212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1333231212 is an abundant number, since it is smaller than the sum of its proper divisors (1861720324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1333231212 is a wasteful number, since it uses less digits than its factorization.
1333231212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3002817 (or 3002815 counting only the distinct ones).
The product of its digits is 648, while the sum is 21.
The square root of 1333231212 is about 36513.4387862880. The cubic root of 1333231212 is about 1100.6143158130.
Adding to 1333231212 its reverse (2121323331), we get a palindrome (3454554543).
It can be divided in two parts, 13332 and 31212, that added together give a palindrome (44544).
The spelling of 1333231212 in words is "one billion, three hundred thirty-three million, two hundred thirty-one thousand, two hundred twelve".
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