Base | Representation |
---|---|
bin | 1001001111001011111101… |
… | …11100000111001110000100 |
3 | 2122220220110222200122120102 |
4 | 10213211332330013032010 |
5 | 10130302041141431322 |
6 | 111111402134023232 |
7 | 4164365551254443 |
oct | 447457674071604 |
9 | 78826428618512 |
10 | 20313030030212 |
11 | 652178698a947 |
12 | 23409747a7b18 |
13 | b44683799c9a |
14 | 503227b04d5a |
15 | 2535c6429792 |
hex | 12797ef07384 |
20313030030212 has 6 divisors (see below), whose sum is σ = 35547802552878. Its totient is φ = 10156515015104.
The previous prime is 20313030030211. The next prime is 20313030030217. The reversal of 20313030030212 is 21203003031302.
It can be written as a sum of positive squares in only one way, i.e., 10377005624896 + 9936024405316 = 3221336^2 + 3152146^2 .
It is not an unprimeable number, because it can be changed into a prime (20313030030211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2539128753773 + ... + 2539128753780.
It is an arithmetic number, because the mean of its divisors is an integer number (5924633758813).
Almost surely, 220313030030212 is an apocalyptic number.
It is an amenable number.
20313030030212 is a deficient number, since it is larger than the sum of its proper divisors (15234772522666).
20313030030212 is a wasteful number, since it uses less digits than its factorization.
20313030030212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5078257507557 (or 5078257507555 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 20313030030212 its reverse (21203003031302), we get a palindrome (41516033061514).
The spelling of 20313030030212 in words is "twenty trillion, three hundred thirteen billion, thirty million, thirty thousand, two hundred twelve".
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