Base | Representation |
---|---|
bin | 1001001001000011010001… |
… | …00111110001100001100011 |
3 | 2122011202022000221022102022 |
4 | 10210201220213301201203 |
5 | 10113323302230432321 |
6 | 110430454010012055 |
7 | 4143223211300663 |
oct | 444415047614143 |
9 | 78152260838368 |
10 | 20102202202211 |
11 | 6450329097268 |
12 | 2307b36a1702b |
13 | b2a8251162bc |
14 | 4d6d479701a3 |
15 | 24cd875c4dab |
hex | 1248689f1863 |
20102202202211 has 8 divisors (see below), whose sum is σ = 21576255709104. Its totient is φ = 18660545475840.
The previous prime is 20102202202169. The next prime is 20102202202241. The reversal of 20102202202211 is 11220220220102.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20102202202211 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20102202202211.
It is not an unprimeable number, because it can be changed into a prime (20102202202241) 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 7 ways as a sum of consecutive naturals, for example, 8099193845 + ... + 8099196326.
It is an arithmetic number, because the mean of its divisors is an integer number (2697031963638).
Almost surely, 220102202202211 is an apocalyptic number.
20102202202211 is a deficient number, since it is larger than the sum of its proper divisors (1474053506893).
20102202202211 is a wasteful number, since it uses less digits than its factorization.
20102202202211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16198390261.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 20102202202211 its reverse (11220220220102), we get a palindrome (31322422422313).
The spelling of 20102202202211 in words is "twenty trillion, one hundred two billion, two hundred two million, two hundred two thousand, two hundred eleven".
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