Base | Representation |
---|---|
bin | 111110101011001… |
… | …1001011011001001 |
3 | 12102120012122122001 |
4 | 1331112121123021 |
5 | 13301333221210 |
6 | 544403031001 |
7 | 103054255165 |
oct | 17526313311 |
9 | 5376178561 |
10 | 2103023305 |
11 | 98a113599 |
12 | 4a836b461 |
13 | 276908cb6 |
14 | 15d435ca5 |
15 | c496303a |
hex | 7d5996c9 |
2103023305 has 16 divisors (see below), whose sum is σ = 2659916880. Its totient is φ = 1593749248.
The previous prime is 2103023297. The next prime is 2103023327. The reversal of 2103023305 is 5033203012.
It can be written as a sum of positive squares in 8 ways, for example, as 193682889 + 1909340416 = 13917^2 + 43696^2 .
It is a cyclic number.
It is not a de Polignac number, because 2103023305 - 23 = 2103023297 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129142 + ... + 144511.
It is an arithmetic number, because the mean of its divisors is an integer number (166244805).
Almost surely, 22103023305 is an apocalyptic number.
It is an amenable number.
2103023305 is a deficient number, since it is larger than the sum of its proper divisors (556893575).
2103023305 is a wasteful number, since it uses less digits than its factorization.
2103023305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 273740.
The product of its (nonzero) digits is 540, while the sum is 19.
The square root of 2103023305 is about 45858.7320474520. The cubic root of 2103023305 is about 1281.1934070423.
Adding to 2103023305 its reverse (5033203012), we get a palindrome (7136226317).
The spelling of 2103023305 in words is "two billion, one hundred three million, twenty-three thousand, three hundred five".
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