Base | Representation |
---|---|
bin | 1101000101000111… |
… | …01001011110010001 |
3 | 200010101112210112201 |
4 | 12202203221132101 |
5 | 103340142034301 |
6 | 3120450323201 |
7 | 336005616052 |
oct | 64243513621 |
9 | 20111483481 |
10 | 7022221201 |
11 | 2a839517a6 |
12 | 143b889501 |
13 | 87bab6398 |
14 | 4a88a2729 |
15 | 2b1758201 |
hex | 1a28e9791 |
7022221201 has 8 divisors (see below), whose sum is σ = 7106637384. Its totient is φ = 6938050560.
The previous prime is 7022221187. The next prime is 7022221207. The reversal of 7022221201 is 1021222207.
It can be written as a sum of positive squares in 4 ways, for example, as 216796176 + 6805425025 = 14724^2 + 82495^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 7022221201 - 25 = 7022221169 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7022221207) 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, 3520 + ... + 118561.
It is an arithmetic number, because the mean of its divisors is an integer number (888329673).
Almost surely, 27022221201 is an apocalyptic number.
It is an amenable number.
7022221201 is a deficient number, since it is larger than the sum of its proper divisors (84416183).
7022221201 is a wasteful number, since it uses less digits than its factorization.
7022221201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122771.
The product of its (nonzero) digits is 224, while the sum is 19.
The square root of 7022221201 is about 83798.6945065375. The cubic root of 7022221201 is about 1914.9532174352.
Adding to 7022221201 its reverse (1021222207), we get a palindrome (8043443408).
The spelling of 7022221201 in words is "seven billion, twenty-two million, two hundred twenty-one thousand, two hundred one".
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