Base | Representation |
---|---|
bin | 101111100110011001… |
… | …0110100100001011001 |
3 | 100202211220012020100220 |
4 | 1133030302310201121 |
5 | 3133321322402301 |
6 | 114543111550253 |
7 | 10246052462661 |
oct | 1371462644131 |
9 | 322756166326 |
10 | 102220122201 |
11 | 3a39565983a |
12 | 1798938b389 |
13 | 9840768012 |
14 | 4d39c591a1 |
15 | 29d40cd936 |
hex | 17cccb4859 |
102220122201 has 16 divisors (see below), whose sum is σ = 138604763520. Its totient is φ = 66996554240.
The previous prime is 102220122181. The next prime is 102220122209. The reversal of 102220122201 is 102221022201.
It is not a de Polignac number, because 102220122201 - 210 = 102220121177 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (102220122209) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 604566 + ... + 754943.
It is an arithmetic number, because the mean of its divisors is an integer number (8662797720).
Almost surely, 2102220122201 is an apocalyptic number.
It is an amenable number.
102220122201 is a deficient number, since it is larger than the sum of its proper divisors (36384641319).
102220122201 is a wasteful number, since it uses less digits than its factorization.
102220122201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1359936.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 102220122201 its reverse (102221022201), we get a palindrome (204441144402).
The spelling of 102220122201 in words is "one hundred two billion, two hundred twenty million, one hundred twenty-two thousand, two hundred one".
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