Base | Representation |
---|---|
bin | 1100010101110101110… |
… | …0010110110110011011 |
3 | 202021021010010110100220 |
4 | 3011131130112312123 |
5 | 11433204401042334 |
6 | 241222352131123 |
7 | 21214036501260 |
oct | 3053534266633 |
9 | 667233113326 |
10 | 212021112219 |
11 | 81a10432794 |
12 | 35111536aa3 |
13 | 16cbb966427 |
14 | a394837267 |
15 | 57ad9b5449 |
hex | 315d716d9b |
212021112219 has 16 divisors (see below), whose sum is σ = 323086794240. Its totient is φ = 121152294720.
The previous prime is 212021112203. The next prime is 212021112229. The reversal of 212021112219 is 912211120212.
It is not a de Polignac number, because 212021112219 - 24 = 212021112203 is a prime.
It is a super-2 number, since 2×2120211122192 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (212021112229) 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, 1311087 + ... + 1463895.
It is an arithmetic number, because the mean of its divisors is an integer number (20192924640).
Almost surely, 2212021112219 is an apocalyptic number.
212021112219 is a deficient number, since it is larger than the sum of its proper divisors (111065682021).
212021112219 is a wasteful number, since it uses less digits than its factorization.
212021112219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 218890.
The product of its (nonzero) digits is 288, while the sum is 24.
The spelling of 212021112219 in words is "two hundred twelve billion, twenty-one million, one hundred twelve thousand, two hundred nineteen".
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