Base | Representation |
---|---|
bin | 10001110000011001101… |
… | …101111111110010010011 |
3 | 11022122112222201012202220 |
4 | 101300121231333302103 |
5 | 124442433230401321 |
6 | 2332315251512123 |
7 | 154104514366641 |
oct | 21603155776223 |
9 | 4278488635686 |
10 | 1220202200211 |
11 | 430537371125 |
12 | 1785972b8643 |
13 | 8b0abb3a227 |
14 | 430b5606191 |
15 | 21b185979c6 |
hex | 11c19b7fc93 |
1220202200211 has 32 divisors (see below), whose sum is σ = 1646816168448. Its totient is φ = 803595429120.
The previous prime is 1220202200183. The next prime is 1220202200233. The reversal of 1220202200211 is 1120022020221.
It is a de Polignac number, because none of the positive numbers 2k-1220202200211 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1220202200011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75766786 + ... + 75782888.
It is an arithmetic number, because the mean of its divisors is an integer number (51463005264).
Almost surely, 21220202200211 is an apocalyptic number.
1220202200211 is a deficient number, since it is larger than the sum of its proper divisors (426613968237).
1220202200211 is a wasteful number, since it uses less digits than its factorization.
1220202200211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17131.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 1220202200211 its reverse (1120022020221), we get a palindrome (2340224220432).
The spelling of 1220202200211 in words is "one trillion, two hundred twenty billion, two hundred two million, two hundred thousand, two hundred eleven".
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