Base | Representation |
---|---|
bin | 10001110000011001100… |
… | …110110010110110001001 |
3 | 11022122112212011021220121 |
4 | 101300121212302312021 |
5 | 124442432234442301 |
6 | 2332315143223241 |
7 | 154104462344353 |
oct | 21603146626611 |
9 | 4278485137817 |
10 | 1220200312201 |
11 | 4305362a1692 |
12 | 178596747b21 |
13 | 8b0ab628a70 |
14 | 430b52740d3 |
15 | 21b183233a1 |
hex | 11c199b2d89 |
1220200312201 has 48 divisors (see below), whose sum is σ = 1459805453568. Its totient is φ = 1011760358400.
The previous prime is 1220200312141. The next prime is 1220200312207. The reversal of 1220200312201 is 1022130020221.
It is a happy number.
It is not a de Polignac number, because 1220200312201 - 29 = 1220200311689 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1220200312207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39820156 + ... + 39850786.
It is an arithmetic number, because the mean of its divisors is an integer number (30412613616).
Almost surely, 21220200312201 is an apocalyptic number.
It is an amenable number.
1220200312201 is a deficient number, since it is larger than the sum of its proper divisors (239605141367).
1220200312201 is a wasteful number, since it uses less digits than its factorization.
1220200312201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31162 (or 31145 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 1220200312201 its reverse (1022130020221), we get a palindrome (2242330332422).
The spelling of 1220200312201 in words is "one trillion, two hundred twenty billion, two hundred million, three hundred twelve thousand, two hundred one".
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