Base | Representation |
---|---|
bin | 1001001110110111101010… |
… | …10100110111110001001000 |
3 | 2122212212100102212022200110 |
4 | 10213123311110313301020 |
5 | 10130112231110030440 |
6 | 111102400445034320 |
7 | 4163531511656553 |
oct | 447336524676110 |
9 | 78785312768613 |
10 | 20302131330120 |
11 | 65180a3951192 |
12 | 233a8328559a0 |
13 | b4363784ca13 |
14 | 5028b248369a |
15 | 2531896ea080 |
hex | 1276f5537c48 |
20302131330120 has 64 divisors (see below), whose sum is σ = 60906690313920. Its totient is φ = 5413875348224.
The previous prime is 20302131330017. The next prime is 20302131330133. The reversal of 20302131330120 is 2103313120302.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47489239 + ... + 47914841.
It is an arithmetic number, because the mean of its divisors is an integer number (951667036155).
Almost surely, 220302131330120 is an apocalyptic number.
20302131330120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20302131330120 is an abundant number, since it is smaller than the sum of its proper divisors (40604558983800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20302131330120 is a wasteful number, since it uses less digits than its factorization.
20302131330120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 823134 (or 823130 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 20302131330120 its reverse (2103313120302), we get a palindrome (22405444450422).
The spelling of 20302131330120 in words is "twenty trillion, three hundred two billion, one hundred thirty-one million, three hundred thirty thousand, one hundred twenty".
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