Base | Representation |
---|---|
bin | 101111100101110100… |
… | …1111101011001000100 |
3 | 100202210120020211211210 |
4 | 1133023221331121010 |
5 | 3133301430201040 |
6 | 114541150331420 |
7 | 10245431232216 |
oct | 1371351753104 |
9 | 322716224753 |
10 | 102201022020 |
11 | 3a3858a3569 |
12 | 17982ab9b70 |
13 | 983980b336 |
14 | 4d374c65b6 |
15 | 29d25a9480 |
hex | 17cba7d644 |
102201022020 has 24 divisors (see below), whose sum is σ = 286162861824. Its totient is φ = 27253605856.
The previous prime is 102201022009. The next prime is 102201022087. The reversal of 102201022020 is 20220102201.
102201022020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 102201021987 and 102201022005.
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, 851675124 + ... + 851675243.
It is an arithmetic number, because the mean of its divisors is an integer number (11923452576).
Almost surely, 2102201022020 is an apocalyptic number.
102201022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102201022020 is an abundant number, since it is smaller than the sum of its proper divisors (183961839804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102201022020 is a wasteful number, since it uses less digits than its factorization.
102201022020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1703350379 (or 1703350377 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 102201022020 its reverse (20220102201), we get a palindrome (122421124221).
The spelling of 102201022020 in words is "one hundred two billion, two hundred one million, twenty-two thousand, twenty".
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