Base | Representation |
---|---|
bin | 101111011111111011… |
… | …1101101011010110100 |
3 | 100202021210012112020202 |
4 | 1132333313231122310 |
5 | 3132400321100040 |
6 | 114505404420032 |
7 | 10240510513226 |
oct | 1367767553264 |
9 | 322253175222 |
10 | 102003300020 |
11 | 3a294227056 |
12 | 17928847618 |
13 | 9807870b7b |
14 | 4d19138416 |
15 | 29c0050015 |
hex | 17bfded6b4 |
102003300020 has 12 divisors (see below), whose sum is σ = 214206930084. Its totient is φ = 40801320000.
The previous prime is 102003300019. The next prime is 102003300037. The reversal of 102003300020 is 20003300201.
It can be written as a sum of positive squares in 2 ways, for example, as 40536990244 + 61466309776 = 201338^2 + 247924^2 .
It is a junction number, because it is equal to n+sod(n) for n = 102003299974 and 102003300010.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2550082481 + ... + 2550082520.
It is an arithmetic number, because the mean of its divisors is an integer number (17850577507).
Almost surely, 2102003300020 is an apocalyptic number.
102003300020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102003300020 is an abundant number, since it is smaller than the sum of its proper divisors (112203630064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102003300020 is a wasteful number, since it uses less digits than its factorization.
102003300020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5100165010 (or 5100165008 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 11.
Adding to 102003300020 its reverse (20003300201), we get a palindrome (122006600221).
The spelling of 102003300020 in words is "one hundred two billion, three million, three hundred thousand, twenty".
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