Base | Representation |
---|---|
bin | 11101001000101101101… |
… | …011110100000101110011 |
3 | 21002102002020110112021022 |
4 | 131020231223310011303 |
5 | 230301022113021321 |
6 | 4131450245250055 |
7 | 264440623364522 |
oct | 35105553640563 |
9 | 7072066415238 |
10 | 2002221220211 |
11 | 702156754473 |
12 | 284063a0392b |
13 | 116a687b5664 |
14 | 6cc9d8924b9 |
15 | 37137edbdab |
hex | 1d22daf4173 |
2002221220211 has 8 divisors (see below), whose sum is σ = 2013467958720. Its totient is φ = 1990975161448.
The previous prime is 2002221220183. The next prime is 2002221220217. The reversal of 2002221220211 is 1120221222002.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2002221220211 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2002221220211.
It is not an unprimeable number, because it can be changed into a prime (2002221220217) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6462140 + ... + 6764886.
It is an arithmetic number, because the mean of its divisors is an integer number (251683494840).
Almost surely, 22002221220211 is an apocalyptic number.
2002221220211 is a deficient number, since it is larger than the sum of its proper divisors (11246738509).
2002221220211 is a wasteful number, since it uses less digits than its factorization.
2002221220211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 339873.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 2002221220211 its reverse (1120221222002), we get a palindrome (3122442442213).
The spelling of 2002221220211 in words is "two trillion, two billion, two hundred twenty-one million, two hundred twenty thousand, two hundred eleven".
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