Base | Representation |
---|---|
bin | 1000001100100001… |
… | …1000000100001101 |
3 | 12200022201010202200 |
4 | 2003020120010031 |
5 | 14001200323041 |
6 | 1002145512113 |
7 | 105342533205 |
oct | 20310300415 |
9 | 5608633680 |
10 | 2200011021 |
11 | a2993792a |
12 | 514942639 |
13 | 290a36690 |
14 | 16c281405 |
15 | cd2201b6 |
hex | 8321810d |
2200011021 has 96 divisors (see below), whose sum is σ = 3839996160. Its totient is φ = 1200310272.
The previous prime is 2200010993. The next prime is 2200011067. The reversal of 2200011021 is 1201100022.
It is not a de Polignac number, because 2200011021 - 211 = 2200008973 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 2200010994 and 2200011012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2200011091) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2479840 + ... + 2480726.
It is an arithmetic number, because the mean of its divisors is an integer number (39999960).
Almost surely, 22200011021 is an apocalyptic number.
It is an amenable number.
2200011021 is a deficient number, since it is larger than the sum of its proper divisors (1639985139).
2200011021 is a wasteful number, since it uses less digits than its factorization.
2200011021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 995 (or 992 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 2200011021 is about 46904.2750823419. The cubic root of 2200011021 is about 1300.5936186384.
Adding to 2200011021 its reverse (1201100022), we get a palindrome (3401111043).
The spelling of 2200011021 in words is "two billion, two hundred million, eleven thousand, twenty-one".
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