Base | Representation |
---|---|
bin | 1001001000111111001101… |
… | …01000000100000110100110 |
3 | 2122011112200001001222000122 |
4 | 10210133212220010012212 |
5 | 10113304320414141410 |
6 | 110425453340241542 |
7 | 4143115156363151 |
oct | 444374650040646 |
9 | 78145601058018 |
10 | 20100021240230 |
11 | 644a409a90248 |
12 | 23076285402b2 |
13 | b2a56831c259 |
14 | 4d6bbc04ac98 |
15 | 24ccaadb8e55 |
hex | 1247e6a041a6 |
20100021240230 has 16 divisors (see below), whose sum is σ = 36297888525360. Its totient is φ = 8013819542112.
The previous prime is 20100021240227. The next prime is 20100021240253. The reversal of 20100021240230 is 3204212000102.
It is a junction number, because it is equal to n+sod(n) for n = 20100021240199 and 20100021240208.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3273616025 + ... + 3273622164.
It is an arithmetic number, because the mean of its divisors is an integer number (2268618032835).
Almost surely, 220100021240230 is an apocalyptic number.
20100021240230 is a deficient number, since it is larger than the sum of its proper divisors (16197867285130).
20100021240230 is a wasteful number, since it uses less digits than its factorization.
20100021240230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6547238503.
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 20100021240230 its reverse (3204212000102), we get a palindrome (23304233240332).
The spelling of 20100021240230 in words is "twenty trillion, one hundred billion, twenty-one million, two hundred forty thousand, two hundred thirty".
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