Base | Representation |
---|---|
bin | 1001001111000110111000… |
… | …10101100101010000000101 |
3 | 2122220122102212110101220212 |
4 | 10213203130111211100011 |
5 | 10130230444304124423 |
6 | 111110231323205205 |
7 | 4164241134462623 |
oct | 447433425452005 |
9 | 78818385411825 |
10 | 20310302020613 |
11 | 6520607002960 |
12 | 2340333076805 |
13 | b4433a557517 |
14 | 5030496a0513 |
15 | 2534b6bb0578 |
hex | 1278dc565405 |
20310302020613 has 16 divisors (see below), whose sum is σ = 22872645150720. Its totient is φ = 17867347772400.
The previous prime is 20310302020583. The next prime is 20310302020637. The reversal of 20310302020613 is 31602020301302.
It is a cyclic number.
It is not a de Polignac number, because 20310302020613 - 26 = 20310302020549 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 (20310302080613) 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, 4851806 + ... + 8010032.
It is an arithmetic number, because the mean of its divisors is an integer number (1429540321920).
Almost surely, 220310302020613 is an apocalyptic number.
It is an amenable number.
20310302020613 is a deficient number, since it is larger than the sum of its proper divisors (2562343130107).
20310302020613 is a wasteful number, since it uses less digits than its factorization.
20310302020613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3177128.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 20310302020613 its reverse (31602020301302), we get a palindrome (51912322321915).
The spelling of 20310302020613 in words is "twenty trillion, three hundred ten billion, three hundred two million, twenty thousand, six hundred thirteen".
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