Base | Representation |
---|---|
bin | 1100010110001101110… |
… | …1101111111000111110 |
3 | 202021112011020012201210 |
4 | 3011203131233320332 |
5 | 11433411231441342 |
6 | 241240401345250 |
7 | 21216404304456 |
oct | 3054335577076 |
9 | 667464205653 |
10 | 212122140222 |
11 | 81a62466603 |
12 | 3513b338226 |
13 | 17006879b05 |
14 | a3a4014d66 |
15 | 57b77be79c |
hex | 316376fe3e |
212122140222 has 32 divisors (see below), whose sum is σ = 433387584000. Its totient is φ = 69184307648.
The previous prime is 212122140199. The next prime is 212122140259. The reversal of 212122140222 is 222041221212.
212122140222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 966154 + ... + 1165202.
It is an arithmetic number, because the mean of its divisors is an integer number (13543362000).
Almost surely, 2212122140222 is an apocalyptic number.
212122140222 is an abundant number, since it is smaller than the sum of its proper divisors (221265443778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212122140222 is a wasteful number, since it uses less digits than its factorization.
212122140222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202880.
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 212122140222 its reverse (222041221212), we get a palindrome (434163361434).
The spelling of 212122140222 in words is "two hundred twelve billion, one hundred twenty-two million, one hundred forty thousand, two hundred twenty-two".
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