Base | Representation |
---|---|
bin | 10001011101110010000… |
… | …110101001100010011011 |
3 | 11020201221201021110021020 |
4 | 101131302012221202123 |
5 | 124131012304034321 |
6 | 2315211410213523 |
7 | 152466220360611 |
oct | 21356206514233 |
9 | 4221851243236 |
10 | 1200210221211 |
11 | 423008420431 |
12 | 174737b842a3 |
13 | 89244010461 |
14 | 4213a40b6b1 |
15 | 213483b34c6 |
hex | 117721a989b |
1200210221211 has 16 divisors (see below), whose sum is σ = 1632945047040. Its totient is φ = 783952948800.
The previous prime is 1200210221173. The next prime is 1200210221227. The reversal of 1200210221211 is 1121220120021.
It is not a de Polignac number, because 1200210221211 - 214 = 1200210204827 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1200210221291) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18113991 + ... + 18180128.
It is an arithmetic number, because the mean of its divisors is an integer number (102059065440).
Almost surely, 21200210221211 is an apocalyptic number.
1200210221211 is a deficient number, since it is larger than the sum of its proper divisors (432734825829).
1200210221211 is a wasteful number, since it uses less digits than its factorization.
1200210221211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36294346.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 1200210221211 its reverse (1121220120021), we get a palindrome (2321430341232).
The spelling of 1200210221211 in words is "one trillion, two hundred billion, two hundred ten million, two hundred twenty-one thousand, two hundred eleven".
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