Base | Representation |
---|---|
bin | 1001001100001101111110… |
… | …00111010101101111100111 |
3 | 2122120011012020221020022100 |
4 | 10212012333013111233213 |
5 | 10122114141020000012 |
6 | 110552452353503143 |
7 | 4154125050125451 |
oct | 446067707255747 |
9 | 78504166836270 |
10 | 20211027500007 |
11 | 64924a313a203 |
12 | 2325048271ab3 |
13 | b37b79138636 |
14 | 4dc30cb2b2d1 |
15 | 250b064cc8dc |
hex | 1261bf1d5be7 |
20211027500007 has 24 divisors (see below), whose sum is σ = 29875044227600. Its totient is φ = 13159605368448.
The previous prime is 20211027499969. The next prime is 20211027500017. The reversal of 20211027500007 is 70000572011202.
20211027500007 is a `hidden beast` number, since 20 + 2 + 110 + 27 + 500 + 0 + 0 + 7 = 666.
It is not a de Polignac number, because 20211027500007 - 219 = 20211026975719 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20211027500017) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2697969 + ... + 6906597.
Almost surely, 220211027500007 is an apocalyptic number.
20211027500007 is a deficient number, since it is larger than the sum of its proper divisors (9664016727593).
20211027500007 is a wasteful number, since it uses less digits than its factorization.
20211027500007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4221087 (or 4221084 counting only the distinct ones).
The product of its (nonzero) digits is 1960, while the sum is 27.
Adding to 20211027500007 its reverse (70000572011202), we get a palindrome (90211599511209).
The spelling of 20211027500007 in words is "twenty trillion, two hundred eleven billion, twenty-seven million, five hundred thousand, seven".
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