Base | Representation |
---|---|
bin | 100111010110000… |
… | …1101011011101001 |
3 | 10102000012201200012 |
4 | 1032230031123221 |
5 | 10200433242301 |
6 | 335000421305 |
7 | 44500422110 |
oct | 11654153351 |
9 | 3360181605 |
10 | 1320212201 |
11 | 618252a70 |
12 | 30a177835 |
13 | 180693b69 |
14 | c74a2c77 |
15 | 7ad83ebb |
hex | 4eb0d6e9 |
1320212201 has 8 divisors (see below), whose sum is σ = 1645978944. Its totient is φ = 1028736720.
The previous prime is 1320212171. The next prime is 1320212233. The reversal of 1320212201 is 1022120231.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1320212201 - 26 = 1320212137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1320212801) 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, 8572730 + ... + 8572883.
It is an arithmetic number, because the mean of its divisors is an integer number (205747368).
Almost surely, 21320212201 is an apocalyptic number.
1320212201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1320212201 is a deficient number, since it is larger than the sum of its proper divisors (325766743).
1320212201 is a wasteful number, since it uses less digits than its factorization.
1320212201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17145631.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 1320212201 is about 36334.7244519619. The cubic root of 1320212201 is about 1097.0200892276.
Adding to 1320212201 its reverse (1022120231), we get a palindrome (2342332432).
The spelling of 1320212201 in words is "one billion, three hundred twenty million, two hundred twelve thousand, two hundred one".
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