Base | Representation |
---|---|
bin | 100011110000110… |
… | …1011100010110010 |
3 | 10002122000220020020 |
4 | 1013201223202302 |
5 | 4424200331232 |
6 | 315024224310 |
7 | 41510633430 |
oct | 10741534262 |
9 | 3078026206 |
10 | 1200011442 |
11 | 5664143a3 |
12 | 295a6b096 |
13 | 1617c9756 |
14 | b5533d50 |
15 | 7053de2c |
hex | 4786b8b2 |
1200011442 has 32 divisors (see below), whose sum is σ = 2747520000. Its totient is φ = 342280848.
The previous prime is 1200011441. The next prime is 1200011479. The reversal of 1200011442 is 2441100021.
It is not an unprimeable number, because it can be changed into a prime (1200011441) 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, 1309 + ... + 49007.
It is an arithmetic number, because the mean of its divisors is an integer number (85860000).
Almost surely, 21200011442 is an apocalyptic number.
1200011442 is an abundant number, since it is smaller than the sum of its proper divisors (1547508558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1200011442 is a wasteful number, since it uses less digits than its factorization.
1200011442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48310.
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 1200011442 is about 34641.1813020284. The cubic root of 1200011442 is about 1062.6619466550.
Adding to 1200011442 its reverse (2441100021), we get a palindrome (3641111463).
The spelling of 1200011442 in words is "one billion, two hundred million, eleven thousand, four hundred forty-two".
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