Base | Representation |
---|---|
bin | 1100010110101010100… |
… | …0010001100101110100 |
3 | 202021211112102000010021 |
4 | 3011222220101211310 |
5 | 11434133014341322 |
6 | 241300333534524 |
7 | 21222364060660 |
oct | 3055250214564 |
9 | 667745360107 |
10 | 212242340212 |
11 | 820142a4641 |
12 | 35173644444 |
13 | 17025743a76 |
14 | a3b5d838a0 |
15 | 57c31144c7 |
hex | 316aa11974 |
212242340212 has 48 divisors (see below), whose sum is σ = 428021459712. Its totient is φ = 90205171200.
The previous prime is 212242340201. The next prime is 212242340249. The reversal of 212242340212 is 212043242212.
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 15 ways as a sum of consecutive naturals, for example, 2464878 + ... + 2549530.
It is an arithmetic number, because the mean of its divisors is an integer number (8917113744).
Almost surely, 2212242340212 is an apocalyptic number.
It is an amenable number.
212242340212 is an abundant number, since it is smaller than the sum of its proper divisors (215779119500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212242340212 is a wasteful number, since it uses less digits than its factorization.
212242340212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85408 (or 85406 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 25.
Adding to 212242340212 its reverse (212043242212), we get a palindrome (424285582424).
The spelling of 212242340212 in words is "two hundred twelve billion, two hundred forty-two million, three hundred forty thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •