Base | Representation |
---|---|
bin | 1100010110100011110… |
… | …0010000011111010000 |
3 | 202021202120010101210000 |
4 | 3011220330100133100 |
5 | 11434103242233034 |
6 | 241253443010000 |
7 | 21221601304563 |
oct | 3055074203720 |
9 | 667676111700 |
10 | 212214024144 |
11 | 81aaa314331 |
12 | 35166069900 |
13 | 1701c90b3b5 |
14 | a3b22d24da |
15 | 57c08be599 |
hex | 3168f107d0 |
212214024144 has 50 divisors (see below), whose sum is σ = 614208957890. Its totient is φ = 70738007616.
The previous prime is 212214024119. The next prime is 212214024161. The reversal of 212214024144 is 441420412212.
212214024144 is a `hidden beast` number, since 21 + 221 + 4 + 0 + 2 + 414 + 4 = 666.
It can be written as a sum of positive squares in only one way, i.e., 137946873744 + 74267150400 = 371412^2 + 272520^2 .
It is a super-3 number, since 3×2122140241443 (a number of 35 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 81871399 + ... + 81873990.
Almost surely, 2212214024144 is an apocalyptic number.
212214024144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
212214024144 is an abundant number, since it is smaller than the sum of its proper divisors (401994933746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212214024144 is a wasteful number, since it uses less digits than its factorization.
212214024144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163745409 (or 163745394 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 27.
Adding to 212214024144 its reverse (441420412212), we get a palindrome (653634436356).
The spelling of 212214024144 in words is "two hundred twelve billion, two hundred fourteen million, twenty-four thousand, one hundred forty-four".
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