Base | Representation |
---|---|
bin | 1100010101110101100… |
… | …0111000101011101111 |
3 | 202021021001102020002100 |
4 | 3011131120320223233 |
5 | 11433204132432343 |
6 | 241222320430143 |
7 | 21214025661234 |
oct | 3053530705357 |
9 | 667231366070 |
10 | 212020202223 |
11 | 81a0a971025 |
12 | 35111178353 |
13 | 16cbb70817b |
14 | a39467b78b |
15 | 57ad8859d3 |
hex | 315d638aef |
212020202223 has 24 divisors (see below), whose sum is σ = 309326702256. Its totient is φ = 139927824000.
The previous prime is 212020202213. The next prime is 212020202237. The reversal of 212020202223 is 322202020212.
It is not a de Polignac number, because 212020202223 - 29 = 212020201711 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 212020202196 and 212020202205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212020202213) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9707211 + ... + 9729027.
It is an arithmetic number, because the mean of its divisors is an integer number (12888612594).
Almost surely, 2212020202223 is an apocalyptic number.
212020202223 is a deficient number, since it is larger than the sum of its proper divisors (97306500033).
212020202223 is a wasteful number, since it uses less digits than its factorization.
212020202223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32615 (or 32612 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
Adding to 212020202223 its reverse (322202020212), we get a palindrome (534222222435).
The spelling of 212020202223 in words is "two hundred twelve billion, twenty million, two hundred two thousand, two hundred twenty-three".
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