Base | Representation |
---|---|
bin | 100000000010110010110… |
… | …011111000110110101101 |
3 | 21210111210210010212011002 |
4 | 200002302303320312231 |
5 | 242034220414432341 |
6 | 4403332343210045 |
7 | 315043121250563 |
oct | 40026263706655 |
9 | 7714723125132 |
10 | 2202023202221 |
11 | 779966766837 |
12 | 2b6925146925 |
13 | 12c85aa9270b |
14 | 78815549a33 |
15 | 3c42dd9929b |
hex | 200b2cf8dad |
2202023202221 has 48 divisors (see below), whose sum is σ = 2377770111360. Its totient is φ = 2037813719040.
The previous prime is 2202023202179. The next prime is 2202023202257. The reversal of 2202023202221 is 1222023202022.
It is a de Polignac number, because none of the positive numbers 2k-2202023202221 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2202023202193 and 2202023202202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2202023202521) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2240104496 + ... + 2240105478.
It is an arithmetic number, because the mean of its divisors is an integer number (49536877320).
Almost surely, 22202023202221 is an apocalyptic number.
It is an amenable number.
2202023202221 is a deficient number, since it is larger than the sum of its proper divisors (175746909139).
2202023202221 is a wasteful number, since it uses less digits than its factorization.
2202023202221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1826 (or 1803 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
Adding to 2202023202221 its reverse (1222023202022), we get a palindrome (3424046404243).
The spelling of 2202023202221 in words is "two trillion, two hundred two billion, twenty-three million, two hundred two thousand, two hundred twenty-one".
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