Base | Representation |
---|---|
bin | 100100001000100… |
… | …0110001000011001 |
3 | 10010111102101112102 |
4 | 1020101012020121 |
5 | 4440341103423 |
6 | 320150453145 |
7 | 42021402512 |
oct | 11021061031 |
9 | 3114371472 |
10 | 1212441113 |
11 | 572433a54 |
12 | 29a0641b5 |
13 | 16425c1a0 |
14 | b704ba09 |
15 | 71696c28 |
hex | 48446219 |
1212441113 has 8 divisors (see below), whose sum is σ = 1362475968. Its totient is φ = 1070516304.
The previous prime is 1212441079. The next prime is 1212441137. The reversal of 1212441113 is 3111442121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1212441113 - 214 = 1212424729 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1212441143) 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, 2027195 + ... + 2027792.
It is an arithmetic number, because the mean of its divisors is an integer number (170309496).
Almost surely, 21212441113 is an apocalyptic number.
1212441113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1212441113 is a deficient number, since it is larger than the sum of its proper divisors (150034855).
1212441113 is a wasteful number, since it uses less digits than its factorization.
1212441113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4055023.
The product of its digits is 192, while the sum is 20.
The square root of 1212441113 is about 34820.1251146517. The cubic root of 1212441113 is about 1066.3183547091.
Adding to 1212441113 its reverse (3111442121), we get a palindrome (4323883234).
The spelling of 1212441113 in words is "one billion, two hundred twelve million, four hundred forty-one thousand, one hundred thirteen".
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