Base | Representation |
---|---|
bin | 1100010110101010011… |
… | …1111001101010100100 |
3 | 202021211112020000200122 |
4 | 3011222213321222210 |
5 | 11434133003222322 |
6 | 241300331501112 |
7 | 21222363202160 |
oct | 3055247715244 |
9 | 667745200618 |
10 | 212242242212 |
11 | 82014237a50 |
12 | 351735b7798 |
13 | 1702570b290 |
14 | a3b5d59ca0 |
15 | 57c30e5442 |
hex | 316a9f9aa4 |
212242242212 has 48 divisors (see below), whose sum is σ = 498695068032. Its totient is φ = 76330874880.
The previous prime is 212242242187. The next prime is 212242242217.
212242242212 is nontrivially palindromic in base 10.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (212242242217) 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, 26499773 + ... + 26507780.
It is an arithmetic number, because the mean of its divisors is an integer number (10389480584).
Almost surely, 2212242242212 is an apocalyptic number.
212242242212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
212242242212 is an abundant number, since it is smaller than the sum of its proper divisors (286452825820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212242242212 is a wasteful number, since it uses less digits than its factorization.
212242242212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53007588 (or 53007586 counting only the distinct ones).
The product of its digits is 4096, while the sum is 26.
It can be divided in two parts, 212242 and 242212, that added together give a palindrome (454454).
The spelling of 212242242212 in words is "two hundred twelve billion, two hundred forty-two million, two hundred forty-two thousand, two hundred twelve".
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