Base | Representation |
---|---|
bin | 100011110010101… |
… | …1110001010011101 |
3 | 10002200220101102120 |
4 | 1013211132022131 |
5 | 4424424131323 |
6 | 315101413153 |
7 | 41522242632 |
oct | 10745361235 |
9 | 3080811376 |
10 | 1201005213 |
11 | 566a32aa1 |
12 | 29626a1b9 |
13 | 161a86b95 |
14 | b5712189 |
15 | 706885e3 |
hex | 4795e29d |
1201005213 has 8 divisors (see below), whose sum is σ = 1605458400. Its totient is φ = 798611088.
The previous prime is 1201005203. The next prime is 1201005233. The reversal of 1201005213 is 3125001021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1201005213 - 214 = 1200988829 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1201005192 and 1201005201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1201005203) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 513403 + ... + 515736.
It is an arithmetic number, because the mean of its divisors is an integer number (200682300).
Almost surely, 21201005213 is an apocalyptic number.
It is an amenable number.
1201005213 is a deficient number, since it is larger than the sum of its proper divisors (404453187).
1201005213 is a wasteful number, since it uses less digits than its factorization.
1201005213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1029531.
The product of its (nonzero) digits is 60, while the sum is 15.
The square root of 1201005213 is about 34655.5221140874. The cubic root of 1201005213 is about 1062.9552080933.
Adding to 1201005213 its reverse (3125001021), we get a palindrome (4326006234).
The spelling of 1201005213 in words is "one billion, two hundred one million, five thousand, two hundred thirteen".
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