Base | Representation |
---|---|
bin | 10001011111101001111… |
… | …010001001111110001101 |
3 | 11020221010210102120102120 |
4 | 101133221322021332031 |
5 | 124144121333241414 |
6 | 2320143051243153 |
7 | 152600065123440 |
oct | 21375172117615 |
9 | 4227123376376 |
10 | 1202220212109 |
11 | 423949a71334 |
12 | 174bb91494b9 |
13 | 894a4575197 |
14 | 4228b347657 |
15 | 21414a9b2a9 |
hex | 117e9e89f8d |
1202220212109 has 16 divisors (see below), whose sum is σ = 1844086763520. Its totient is φ = 682433420400.
The previous prime is 1202220212071. The next prime is 1202220212111. The reversal of 1202220212109 is 9012120222021.
It is not a de Polignac number, because 1202220212109 - 29 = 1202220211597 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1202220212129) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189561669 + ... + 189568010.
It is an arithmetic number, because the mean of its divisors is an integer number (115255422720).
Almost surely, 21202220212109 is an apocalyptic number.
It is an amenable number.
1202220212109 is a deficient number, since it is larger than the sum of its proper divisors (641866551411).
1202220212109 is a wasteful number, since it uses less digits than its factorization.
1202220212109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 379129840.
The product of its (nonzero) digits is 576, while the sum is 24.
The spelling of 1202220212109 in words is "one trillion, two hundred two billion, two hundred twenty million, two hundred twelve thousand, one hundred nine".
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