Base | Representation |
---|---|
bin | 1001001111101101110100… |
… | …01001010011100000000001 |
3 | 2122222122101111202000011000 |
4 | 10213312322021103200001 |
5 | 10131101301010311223 |
6 | 111124005324242213 |
7 | 4165611111623526 |
oct | 447667211234001 |
9 | 78878344660130 |
10 | 20331203213313 |
11 | 65294621a9333 |
12 | 23443a69a0369 |
13 | b462bb855675 |
14 | 50406d53314d |
15 | 253cdbae1543 |
hex | 127dba253801 |
20331203213313 has 64 divisors (see below), whose sum is σ = 30710534400000. Its totient is φ = 13289980080960.
The previous prime is 20331203213257. The next prime is 20331203213371. The reversal of 20331203213313 is 31331230213302.
20331203213313 is a `hidden beast` number, since 2 + 0 + 3 + 3 + 1 + 2 + 0 + 321 + 331 + 3 = 666.
It is not a de Polignac number, because 20331203213313 - 214 = 20331203196929 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (20331203213413) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 965429578 + ... + 965450636.
It is an arithmetic number, because the mean of its divisors is an integer number (479852100000).
Almost surely, 220331203213313 is an apocalyptic number.
It is an amenable number.
20331203213313 is a deficient number, since it is larger than the sum of its proper divisors (10379331186687).
20331203213313 is a wasteful number, since it uses less digits than its factorization.
20331203213313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22947 (or 22941 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 27.
Adding to 20331203213313 its reverse (31331230213302), we get a palindrome (51662433426615).
The spelling of 20331203213313 in words is "twenty trillion, three hundred thirty-one billion, two hundred three million, two hundred thirteen thousand, three hundred thirteen".
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