Base | Representation |
---|---|
bin | 100100010110111… |
… | …1100000011011010 |
3 | 10011000122112010122 |
4 | 1020231330003122 |
5 | 4444310031020 |
6 | 321020513242 |
7 | 42142563113 |
oct | 11055740332 |
9 | 3130575118 |
10 | 1220002010 |
11 | 576728627 |
12 | 2a06ab822 |
13 | 1659a87a6 |
14 | b805920a |
15 | 7218c125 |
hex | 48b7c0da |
1220002010 has 32 divisors (see below), whose sum is σ = 2210723280. Its totient is φ = 484743168.
The previous prime is 1220001973. The next prime is 1220002019. The reversal of 1220002010 is 102000221.
It can be written as a sum of positive squares in 8 ways, for example, as 348158281 + 871843729 = 18659^2 + 29527^2 .
It is not an unprimeable number, because it can be changed into a prime (1220002019) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1279694 + ... + 1280646.
Almost surely, 21220002010 is an apocalyptic number.
1220002010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1220002010 is a deficient number, since it is larger than the sum of its proper divisors (990721270).
1220002010 is a wasteful number, since it uses less digits than its factorization.
1220002010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1682.
The product of its (nonzero) digits is 8, while the sum is 8.
The square root of 1220002010 is about 34928.5271662004. The cubic root of 1220002010 is about 1068.5303169641.
Adding to 1220002010 its reverse (102000221), we get a palindrome (1322002231).
The spelling of 1220002010 in words is "one billion, two hundred twenty million, two thousand, ten".
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