Base | Representation |
---|---|
bin | 110011000101111101111… |
… | …0111100100111101111101 |
3 | 220212022112100100012212121 |
4 | 1212023323313210331331 |
5 | 1410022432231242341 |
6 | 22533542152002541 |
7 | 1323223500646000 |
oct | 146137367447575 |
9 | 26768470305777 |
10 | 7022202212221 |
11 | 2268110097a69 |
12 | 954b49390451 |
13 | 3bc26332a801 |
14 | 1a3c3abb3537 |
15 | c29e49724d1 |
hex | 662fbde4f7d |
7022202212221 has 64 divisors (see below), whose sum is σ = 8334844211200. Its totient is φ = 5913031440960.
The previous prime is 7022202212197. The next prime is 7022202212227. The reversal of 7022202212221 is 1222122022207.
It is not a de Polignac number, because 7022202212221 - 25 = 7022202212189 is a prime.
It is a super-2 number, since 2×70222022122212 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7022202212227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5084866951 + ... + 5084868331.
It is an arithmetic number, because the mean of its divisors is an integer number (130231940800).
Almost surely, 27022202212221 is an apocalyptic number.
It is an amenable number.
7022202212221 is a deficient number, since it is larger than the sum of its proper divisors (1312641998979).
7022202212221 is a wasteful number, since it uses less digits than its factorization.
7022202212221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2551 (or 2537 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 25.
Adding to 7022202212221 its reverse (1222122022207), we get a palindrome (8244324234428).
The spelling of 7022202212221 in words is "seven trillion, twenty-two billion, two hundred two million, two hundred twelve thousand, two hundred twenty-one".
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