Base | Representation |
---|---|
bin | 1001001111101101011101… |
… | …01111111001010011010110 |
3 | 2122222121220011221111221200 |
4 | 10213312232233321103112 |
5 | 10131100403033044110 |
6 | 111123534334053330 |
7 | 4165603300435251 |
oct | 447665657712326 |
9 | 78877804844850 |
10 | 20331012003030 |
11 | 652937427a203 |
12 | 234435294a246 |
13 | b4628b0580a1 |
14 | 504051d9c098 |
15 | 253cc9e216c0 |
hex | 127daebf94d6 |
20331012003030 has 48 divisors (see below), whose sum is σ = 55158919526880. Its totient is φ = 5185881321984.
The previous prime is 20331012003019. The next prime is 20331012003031. The reversal of 20331012003030 is 3030021013302.
20331012003030 is a `hidden beast` number, since 20 + 331 + 0 + 12 + 0 + 0 + 303 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 20331012002994 and 20331012003012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20331012003031) 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, 4910870395 + ... + 4910874534.
It is an arithmetic number, because the mean of its divisors is an integer number (1149144156810).
Almost surely, 220331012003030 is an apocalyptic number.
20331012003030 is an abundant number, since it is smaller than the sum of its proper divisors (34827907523850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20331012003030 is a wasteful number, since it uses less digits than its factorization.
20331012003030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9821744965 (or 9821744962 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 20331012003030 its reverse (3030021013302), we get a palindrome (23361033016332).
The spelling of 20331012003030 in words is "twenty trillion, three hundred thirty-one billion, twelve million, three thousand, thirty".
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