Base | Representation |
---|---|
bin | 101111100110011001… |
… | …0110110011011010000 |
3 | 100202211220012122001202 |
4 | 1133030302312123100 |
5 | 3133321323130000 |
6 | 114543112050332 |
7 | 10246052524502 |
oct | 1371462663320 |
9 | 322756178052 |
10 | 102220130000 |
11 | 3a39566468a |
12 | 179893939a8 |
13 | 984076b731 |
14 | 4d39c5bd72 |
15 | 29d40d0dd5 |
hex | 17cccb66d0 |
102220130000 has 50 divisors (see below), whose sum is σ = 247485180954. Its totient is φ = 40888048000.
The previous prime is 102220129993. The next prime is 102220130027. The reversal of 102220130000 is 31022201.
It is a happy number.
It can be written as a sum of positive squares in 5 ways, for example, as 51463644736 + 50756485264 = 226856^2 + 225292^2 .
It is a tau number, because it is divible by the number of its divisors (50).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5101007 + ... + 5121006.
Almost surely, 2102220130000 is an apocalyptic number.
102220130000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102220130000 is an abundant number, since it is smaller than the sum of its proper divisors (145265050954).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102220130000 is an equidigital number, since it uses as much as digits as its factorization.
102220130000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10222041 (or 10222020 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 11.
Adding to 102220130000 its reverse (31022201), we get a palindrome (102251152201).
The spelling of 102220130000 in words is "one hundred two billion, two hundred twenty million, one hundred thirty thousand".
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