Base | Representation |
---|---|
bin | 100011110001011… |
… | …1001110110110101 |
3 | 10002122122012020122 |
4 | 1013202321312311 |
5 | 4424241112323 |
6 | 315035141325 |
7 | 41513440553 |
oct | 10742716665 |
9 | 3078565218 |
10 | 1200332213 |
11 | 5666133a3 |
12 | 295ba4845 |
13 | 1618ac762 |
14 | b55b8bd3 |
15 | 705a3ec8 |
hex | 478b9db5 |
1200332213 has 8 divisors (see below), whose sum is σ = 1210844568. Its totient is φ = 1189845504.
The previous prime is 1200332173. The next prime is 1200332219. The reversal of 1200332213 is 3122330021.
It can be written as a sum of positive squares in 4 ways, for example, as 841116004 + 359216209 = 29002^2 + 18953^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1200332213 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1200332191 and 1200332200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1200332219) 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, 94445 + ... + 106397.
It is an arithmetic number, because the mean of its divisors is an integer number (151355571).
Almost surely, 21200332213 is an apocalyptic number.
It is an amenable number.
1200332213 is a deficient number, since it is larger than the sum of its proper divisors (10512355).
1200332213 is a wasteful number, since it uses less digits than its factorization.
1200332213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12823.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 1200332213 is about 34645.8109011753. The cubic root of 1200332213 is about 1062.7566237432.
Adding to 1200332213 its reverse (3122330021), we get a palindrome (4322662234).
The spelling of 1200332213 in words is "one billion, two hundred million, three hundred thirty-two thousand, two hundred thirteen".
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