Base | Representation |
---|---|
bin | 10001011111011101011… |
… | …100110101101011011101 |
3 | 11020220121020010200000112 |
4 | 101133131130311223131 |
5 | 124143204331401341 |
6 | 2320110223335405 |
7 | 152561646423356 |
oct | 21373534655335 |
9 | 4226536120015 |
10 | 1202011200221 |
11 | 423851a93637 |
12 | 174b5b151565 |
13 | 89470184000 |
14 | 4226b69ad2d |
15 | 21401561aeb |
hex | 117dd735add |
1202011200221 has 16 divisors (see below), whose sum is σ = 1304808153600. Its totient is φ = 1107269480304.
The previous prime is 1202011200211. The next prime is 1202011200253. The reversal of 1202011200221 is 1220021102021.
It is not a de Polignac number, because 1202011200221 - 234 = 1184831331037 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1202011200196 and 1202011200205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1202011200211) 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, 508220 + ... + 1631658.
It is an arithmetic number, because the mean of its divisors is an integer number (81550509600).
Almost surely, 21202011200221 is an apocalyptic number.
It is an amenable number.
1202011200221 is a deficient number, since it is larger than the sum of its proper divisors (102796953379).
1202011200221 is an equidigital number, since it uses as much as digits as its factorization.
1202011200221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1123965 (or 1123939 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 1202011200221 its reverse (1220021102021), we get a palindrome (2422032302242).
The spelling of 1202011200221 in words is "one trillion, two hundred two billion, eleven million, two hundred thousand, two hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •