Base | Representation |
---|---|
bin | 111000111010010010… |
… | …1001110100101111001 |
3 | 102200110101002021212211 |
4 | 1301310211032211321 |
5 | 4000244020003231 |
6 | 132051135335121 |
7 | 11554413235432 |
oct | 1616445164571 |
9 | 380411067784 |
10 | 122215000441 |
11 | 479161aa7a6 |
12 | 1b8296814a1 |
13 | b6a906b611 |
14 | 5cb55aa489 |
15 | 32a4686eb1 |
hex | 1c7494e979 |
122215000441 has 4 divisors (see below), whose sum is σ = 129404118132. Its totient is φ = 115025882752.
The previous prime is 122215000357. The next prime is 122215000451. The reversal of 122215000441 is 144000512221.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 48450613225 + 73764387216 = 220115^2 + 271596^2 .
It is a cyclic number.
It is not a de Polignac number, because 122215000441 - 215 = 122214967673 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122215000451) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3594558820 + ... + 3594558853.
It is an arithmetic number, because the mean of its divisors is an integer number (32351029533).
Almost surely, 2122215000441 is an apocalyptic number.
It is an amenable number.
122215000441 is a deficient number, since it is larger than the sum of its proper divisors (7189117691).
122215000441 is an equidigital number, since it uses as much as digits as its factorization.
122215000441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7189117690.
The product of its (nonzero) digits is 640, while the sum is 22.
Adding to 122215000441 its reverse (144000512221), we get a palindrome (266215512662).
The spelling of 122215000441 in words is "one hundred twenty-two billion, two hundred fifteen million, four hundred forty-one", and thus it is an aban number.
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