Base | Representation |
---|---|
bin | 101110100100110111… |
… | …0010000010111001100 |
3 | 100120011122100212000201 |
4 | 1131021232100113030 |
5 | 3114320401011340 |
6 | 113540555303244 |
7 | 10140421260223 |
oct | 1351156202714 |
9 | 316148325021 |
10 | 100021110220 |
11 | 39467344569 |
12 | 17474a4ab24 |
13 | 957ccc12b5 |
14 | 4babb97cba |
15 | 290600979a |
hex | 1749b905cc |
100021110220 has 24 divisors (see below), whose sum is σ = 212083601184. Its totient is φ = 39620011776.
The previous prime is 100021110187. The next prime is 100021110269. The reversal of 100021110220 is 22011120001.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 100021110197 and 100021110206.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24274909 + ... + 24279028.
It is an arithmetic number, because the mean of its divisors is an integer number (8836816716).
Almost surely, 2100021110220 is an apocalyptic number.
100021110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
100021110220 is an abundant number, since it is smaller than the sum of its proper divisors (112062490964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100021110220 is a wasteful number, since it uses less digits than its factorization.
100021110220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48554049 (or 48554047 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 100021110220 its reverse (22011120001), we get a palindrome (122032230221).
The spelling of 100021110220 in words is "one hundred billion, twenty-one million, one hundred ten thousand, two hundred twenty".
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