Base | Representation |
---|---|
bin | 1001001111101101110110… |
… | …01010011111110100010010 |
3 | 2122222122102200220020221220 |
4 | 10213312323022133310102 |
5 | 10131101314344144442 |
6 | 111124011134425510 |
7 | 4165611410112201 |
oct | 447667312376422 |
9 | 78878380806856 |
10 | 20331220303122 |
11 | 6529470911143 |
12 | 23443b0662296 |
13 | b462c225a291 |
14 | 504071901238 |
15 | 253cdd369eec |
hex | 127dbb29fd12 |
20331220303122 has 64 divisors (see below), whose sum is σ = 41408349790464. Its totient is φ = 6653980390400.
The previous prime is 20331220303111. The next prime is 20331220303153. The reversal of 20331220303122 is 22130302213302.
It is a junction number, because it is equal to n+sod(n) for n = 20331220303092 and 20331220303101.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78991483 + ... + 79248449.
It is an arithmetic number, because the mean of its divisors is an integer number (647005465476).
Almost surely, 220331220303122 is an apocalyptic number.
20331220303122 is an abundant number, since it is smaller than the sum of its proper divisors (21077129487342).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20331220303122 is a wasteful number, since it uses less digits than its factorization.
20331220303122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258163.
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 20331220303122 its reverse (22130302213302), we get a palindrome (42461522516424).
The spelling of 20331220303122 in words is "twenty trillion, three hundred thirty-one billion, two hundred twenty million, three hundred three thousand, one hundred twenty-two".
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