Base | Representation |
---|---|
bin | 10111001100100111100101… |
… | …100110010010101001101101 |
3 | 111101020020011020120112222001 |
4 | 113030213211212102221231 |
5 | 101333012441302432341 |
6 | 1000552204545252301 |
7 | 30326601322224421 |
oct | 2714474546225155 |
9 | 441206136515861 |
10 | 102022210202221 |
11 | 2a564415a44691 |
12 | b538707934091 |
13 | 44c0864c491ba |
14 | 1b29c8931cb81 |
15 | bbdc7259cd31 |
hex | 5cc9e5992a6d |
102022210202221 has 2 divisors, whose sum is σ = 102022210202222. Its totient is φ = 102022210202220.
The previous prime is 102022210202131. The next prime is 102022210202257. The reversal of 102022210202221 is 122202012220201.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 59472028899721 + 42550181302500 = 7711811^2 + 6523050^2 .
It is a cyclic number.
It is not a de Polignac number, because 102022210202221 - 213 = 102022210194029 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (102022210202261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51011105101110 + 51011105101111.
It is an arithmetic number, because the mean of its divisors is an integer number (51011105101111).
Almost surely, 2102022210202221 is an apocalyptic number.
It is an amenable number.
102022210202221 is a deficient number, since it is larger than the sum of its proper divisors (1).
102022210202221 is an equidigital number, since it uses as much as digits as its factorization.
102022210202221 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 256, while the sum is 19.
Adding to 102022210202221 its reverse (122202012220201), we get a palindrome (224224222422422).
The spelling of 102022210202221 in words is "one hundred two trillion, twenty-two billion, two hundred ten million, two hundred two thousand, two hundred twenty-one".
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