Base | Representation |
---|---|
bin | 1100010110100101001… |
… | …1100011001100111111 |
3 | 202021202222121121120221 |
4 | 3011221103203030333 |
5 | 11434111323130421 |
6 | 241254221522211 |
7 | 21222004225333 |
oct | 3055123431477 |
9 | 667688547527 |
10 | 212220130111 |
11 | 82002804890 |
12 | 35168113367 |
13 | 17020c686b2 |
14 | a3b30417c3 |
15 | 57c11c8841 |
hex | 31694e333f |
212220130111 has 8 divisors (see below), whose sum is σ = 232523845200. Its totient is φ = 192084911040.
The previous prime is 212220130093. The next prime is 212220130123. The reversal of 212220130111 is 111031022212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-212220130111 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212220130211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42121366 + ... + 42126403.
It is an arithmetic number, because the mean of its divisors is an integer number (29065480650).
Almost surely, 2212220130111 is an apocalyptic number.
212220130111 is a deficient number, since it is larger than the sum of its proper divisors (20303715089).
212220130111 is a wasteful number, since it uses less digits than its factorization.
212220130111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84248009.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 212220130111 its reverse (111031022212), we get a palindrome (323251152323).
The spelling of 212220130111 in words is "two hundred twelve billion, two hundred twenty million, one hundred thirty thousand, one hundred eleven".
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