Base | Representation |
---|---|
bin | 101111100110011001… |
… | …0110110011011010001 |
3 | 100202211220012122001210 |
4 | 1133030302312123101 |
5 | 3133321323130001 |
6 | 114543112050333 |
7 | 10246052524503 |
oct | 1371462663321 |
9 | 322756178053 |
10 | 102220130001 |
11 | 3a395664690 |
12 | 179893939a9 |
13 | 984076b732 |
14 | 4d39c5bd73 |
15 | 29d40d0dd6 |
hex | 17cccb66d1 |
102220130001 has 32 divisors (see below), whose sum is σ = 157083494400. Its totient is φ = 58542639680.
The previous prime is 102220129993. The next prime is 102220130027. The reversal of 102220130001 is 100031022201.
It is a cyclic number.
It is not a de Polignac number, because 102220130001 - 23 = 102220129993 is a prime.
It is not an unprimeable number, because it can be changed into a prime (102220130101) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1091331 + ... + 1181288.
It is an arithmetic number, because the mean of its divisors is an integer number (4908859200).
Almost surely, 2102220130001 is an apocalyptic number.
102220130001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
102220130001 is a deficient number, since it is larger than the sum of its proper divisors (54863364399).
102220130001 is a wasteful number, since it uses less digits than its factorization.
102220130001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2272709.
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 102220130001 its reverse (100031022201), we get a palindrome (202251152202).
It can be divided in two parts, 102220 and 130001, that added together give a triangular number (232221 = T681).
The spelling of 102220130001 in words is "one hundred two billion, two hundred twenty million, one hundred thirty thousand, one".
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