Base | Representation |
---|---|
bin | 10111001111100000110101… |
… | …000000101010101101110001 |
3 | 111101221020112222112121020021 |
4 | 113033200311000222231301 |
5 | 101344242313404342314 |
6 | 1001223421412043441 |
7 | 30350142265221010 |
oct | 2717406500525561 |
9 | 441836488477207 |
10 | 102221111012209 |
11 | 2a6308032a4092 |
12 | b56b177303581 |
13 | 450654260c287 |
14 | 1b35757432a77 |
15 | bc401429b324 |
hex | 5cf83502ab71 |
102221111012209 has 32 divisors (see below), whose sum is σ = 117787384073216. Its totient is φ = 86898013755840.
The previous prime is 102221111012203. The next prime is 102221111012219. The reversal of 102221111012209 is 902210111122201.
It is not a de Polignac number, because 102221111012209 - 225 = 102221077457777 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102221111012203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1998158659 + ... + 1998209815.
It is an arithmetic number, because the mean of its divisors is an integer number (3680855752288).
Almost surely, 2102221111012209 is an apocalyptic number.
It is an amenable number.
102221111012209 is a deficient number, since it is larger than the sum of its proper divisors (15566273061007).
102221111012209 is a wasteful number, since it uses less digits than its factorization.
102221111012209 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54965.
The product of its (nonzero) digits is 288, while the sum is 25.
The spelling of 102221111012209 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred eleven million, twelve thousand, two hundred nine".
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