Base | Representation |
---|---|
bin | 111000010110011000… |
… | …0101000101001111101 |
3 | 102120100101201111212111 |
4 | 1300230300220221331 |
5 | 3440312031444404 |
6 | 131331412534021 |
7 | 11512512202603 |
oct | 1605460505175 |
9 | 376311644774 |
10 | 121010031229 |
11 | 4735800a57a |
12 | 1b552021311 |
13 | b546527399 |
14 | 5bdd545873 |
15 | 32339b9104 |
hex | 1c2cc28a7d |
121010031229 has 2 divisors, whose sum is σ = 121010031230. Its totient is φ = 121010031228.
The previous prime is 121010031217. The next prime is 121010031251. The reversal of 121010031229 is 922130010121.
It is an a-pointer prime, because the next prime (121010031251) can be obtained adding 121010031229 to its sum of digits (22).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 114583604004 + 6426427225 = 338502^2 + 80165^2 .
It is a cyclic number.
It is not a de Polignac number, because 121010031229 - 27 = 121010031101 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (121010035229) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505015614 + 60505015615.
It is an arithmetic number, because the mean of its divisors is an integer number (60505015615).
Almost surely, 2121010031229 is an apocalyptic number.
It is an amenable number.
121010031229 is a deficient number, since it is larger than the sum of its proper divisors (1).
121010031229 is an equidigital number, since it uses as much as digits as its factorization.
121010031229 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 216, while the sum is 22.
The spelling of 121010031229 in words is "one hundred twenty-one billion, ten million, thirty-one thousand, two hundred twenty-nine".
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