Base | Representation |
---|---|
bin | 100100010111100… |
… | …1100011110010010 |
3 | 10011001021020222122 |
4 | 1020233030132102 |
5 | 4444401101120 |
6 | 321031534242 |
7 | 42145434344 |
oct | 11057143622 |
9 | 3131236878 |
10 | 1220331410 |
11 | 576933061 |
12 | 2a082a382 |
13 | 165a926bc |
14 | b8103294 |
15 | 72204a25 |
hex | 48bcc792 |
1220331410 has 16 divisors (see below), whose sum is σ = 2255964696. Its totient is φ = 474939648.
The previous prime is 1220331379. The next prime is 1220331439. The reversal of 1220331410 is 141330221.
It can be written as a sum of positive squares in 4 ways, for example, as 856323169 + 364008241 = 29263^2 + 19079^2 .
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1648727 + ... + 1649466.
Almost surely, 21220331410 is an apocalyptic number.
1220331410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1220331410 is a deficient number, since it is larger than the sum of its proper divisors (1035633286).
1220331410 is a wasteful number, since it uses less digits than its factorization.
1220331410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3298237.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 1220331410 is about 34933.2421913569. The cubic root of 1220331410 is about 1068.6264758804.
Adding to 1220331410 its reverse (141330221), we get a palindrome (1361661631).
The spelling of 1220331410 in words is "one billion, two hundred twenty million, three hundred thirty-one thousand, four hundred ten".
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