Base | Representation |
---|---|
bin | 11011111111011111011111… |
… | …101110111100010011000100 |
3 | 121010220020110112102212212202 |
4 | 123333133133232330103010 |
5 | 112114020100203330040 |
6 | 1113500045413534032 |
7 | 34634301336335441 |
oct | 3377373756742304 |
9 | 533806415385782 |
10 | 123110401230020 |
11 | 36254912016056 |
12 | 11983754344318 |
13 | 5390351608b89 |
14 | 225880a5509c8 |
15 | e375b62ea015 |
hex | 6ff7dfbbc4c4 |
123110401230020 has 48 divisors (see below), whose sum is σ = 272434907337600. Its totient is φ = 46601598170880.
The previous prime is 123110401229969. The next prime is 123110401230053. The reversal of 123110401230020 is 20032104011321.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 123110401229974 and 123110401230001.
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, 175915601 + ... + 176614040.
It is an arithmetic number, because the mean of its divisors is an integer number (5675727236200).
Almost surely, 2123110401230020 is an apocalyptic number.
123110401230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
123110401230020 is an abundant number, since it is smaller than the sum of its proper divisors (149324506107580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123110401230020 is a wasteful number, since it uses less digits than its factorization.
123110401230020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 352530588 (or 352530586 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 123110401230020 its reverse (20032104011321), we get a palindrome (143142505241341).
The spelling of 123110401230020 in words is "one hundred twenty-three trillion, one hundred ten billion, four hundred one million, two hundred thirty thousand, twenty".
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