Base | Representation |
---|---|
bin | 100011110011001… |
… | …0000111110011110 |
3 | 10002201021221221001 |
4 | 1013212100332132 |
5 | 4430002311332 |
6 | 315110100514 |
7 | 41524100500 |
oct | 10746207636 |
9 | 3081257831 |
10 | 1201213342 |
11 | 5670653aa |
12 | 29634a73a |
13 | 161b2a834 |
14 | b5767d70 |
15 | 706ca0e7 |
hex | 47990f9e |
1201213342 has 48 divisors (see below), whose sum is σ = 2180364912. Its totient is φ = 494484480.
The previous prime is 1201213339. The next prime is 1201213369. The reversal of 1201213342 is 2433121021.
It is a happy number.
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 23 ways as a sum of consecutive naturals, for example, 254718 + ... + 259390.
It is an arithmetic number, because the mean of its divisors is an integer number (45424269).
Almost surely, 21201213342 is an apocalyptic number.
1201213342 is a deficient number, since it is larger than the sum of its proper divisors (979151570).
1201213342 is a wasteful number, since it uses less digits than its factorization.
1201213342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4793 (or 4786 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 1201213342 is about 34658.5248099223. The cubic root of 1201213342 is about 1063.0166063908.
Adding to 1201213342 its reverse (2433121021), we get a palindrome (3634334363).
The spelling of 1201213342 in words is "one billion, two hundred one million, two hundred thirteen thousand, three hundred forty-two".
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