Base | Representation |
---|---|
bin | 1100010110100001001… |
… | …0101000001100100001 |
3 | 202021201210120222000221 |
4 | 3011220102220030201 |
5 | 11434042444024301 |
6 | 241252413043041 |
7 | 21221406453454 |
oct | 3055022501441 |
9 | 667653528027 |
10 | 212203111201 |
11 | 81aa4140274 |
12 | 35162486481 |
13 | 1701a58a133 |
14 | a3b0a9149b |
15 | 57be965da1 |
hex | 31684a8321 |
212203111201 has 8 divisors (see below), whose sum is σ = 224689701384. Its totient is φ = 199716971520.
The previous prime is 212203111193. The next prime is 212203111223. The reversal of 212203111201 is 102111302212.
It can be written as a sum of positive squares in 4 ways, for example, as 82527500176 + 129675611025 = 287276^2 + 360105^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212203111201 - 23 = 212203111193 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212203111261) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1610661 + ... + 1737421.
It is an arithmetic number, because the mean of its divisors is an integer number (28086212673).
Almost surely, 2212203111201 is an apocalyptic number.
It is an amenable number.
212203111201 is a deficient number, since it is larger than the sum of its proper divisors (12486590183).
212203111201 is a wasteful number, since it uses less digits than its factorization.
212203111201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 225251.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 212203111201 its reverse (102111302212), we get a palindrome (314314413413).
The spelling of 212203111201 in words is "two hundred twelve billion, two hundred three million, one hundred eleven thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •