Base | Representation |
---|---|
bin | 1001001111101110000001… |
… | …01001100011111000010110 |
3 | 2122222122200010001211021100 |
4 | 10213313000221203320112 |
5 | 10131102011424113220 |
6 | 111124024223130530 |
7 | 4165613605255650 |
oct | 447670051437026 |
9 | 78878603054240 |
10 | 20331312332310 |
11 | 6529508859021 |
12 | 2344417443a46 |
13 | b4630833ca15 |
14 | 50407dc196d0 |
15 | 253ce6497d90 |
hex | 127dc0a63e16 |
20331312332310 has 96 divisors (see below), whose sum is σ = 60414130221120. Its totient is φ = 4647073423104.
The previous prime is 20331312332249. The next prime is 20331312332329. The reversal of 20331312332310 is 1323321313302.
20331312332310 is a `hidden beast` number, since 2 + 0 + 3 + 3 + 1 + 3 + 12 + 332 + 310 = 666.
It is a super-2 number, since 2×203313123323102 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38919604 + ... + 39438536.
It is an arithmetic number, because the mean of its divisors is an integer number (629313856470).
Almost surely, 220331312332310 is an apocalyptic number.
20331312332310 is an abundant number, since it is smaller than the sum of its proper divisors (40082817888810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20331312332310 is a wasteful number, since it uses less digits than its factorization.
20331312332310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 581142 (or 581139 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 27.
Adding to 20331312332310 its reverse (1323321313302), we get a palindrome (21654633645612).
The spelling of 20331312332310 in words is "twenty trillion, three hundred thirty-one billion, three hundred twelve million, three hundred thirty-two thousand, three hundred ten".
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