Base | Representation |
---|---|
bin | 100011110001001… |
… | …1100010100001010 |
3 | 10002122102001021001 |
4 | 1013202130110022 |
5 | 4424223224320 |
6 | 315032405214 |
7 | 41512425022 |
oct | 10742342412 |
9 | 3078361231 |
10 | 1200211210 |
11 | 5665404a0 |
12 | 295b4680a |
13 | 161869663 |
14 | b5586a82 |
15 | 7057d20a |
hex | 4789c50a |
1200211210 has 16 divisors (see below), whose sum is σ = 2356778592. Its totient is φ = 436440400.
The previous prime is 1200211183. The next prime is 1200211211. The reversal of 1200211210 is 121120021.
1200211210 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (1200211211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5455396 + ... + 5455615.
It is an arithmetic number, because the mean of its divisors is an integer number (147298662).
Almost surely, 21200211210 is an apocalyptic number.
1200211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1200211210 is a deficient number, since it is larger than the sum of its proper divisors (1156567382).
1200211210 is a wasteful number, since it uses less digits than its factorization.
1200211210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10911029.
The product of its (nonzero) digits is 8, while the sum is 10.
The square root of 1200211210 is about 34644.0645710055. The cubic root of 1200211210 is about 1062.7209111131.
Adding to 1200211210 its reverse (121120021), we get a palindrome (1321331231).
The spelling of 1200211210 in words is "one billion, two hundred million, two hundred eleven thousand, two hundred ten".
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