Base | Representation |
---|---|
bin | 111111001111110… |
… | …0011001111000001 |
3 | 12110220021221010001 |
4 | 1332133203033001 |
5 | 13321240400001 |
6 | 550330040001 |
7 | 103406255005 |
oct | 17637431701 |
9 | 5426257101 |
10 | 2122200001 |
11 | 999a212a9 |
12 | 4b2879001 |
13 | 27a89175c |
14 | 161bc8705 |
15 | c64a0001 |
hex | 7e7e33c1 |
2122200001 has 4 divisors (see below), whose sum is σ = 2122777732. Its totient is φ = 2121622272.
The previous prime is 2122199983. The next prime is 2122200029. The reversal of 2122200001 is 1000022212.
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 418161601 + 1704038400 = 20449^2 + 41280^2 .
It is a cyclic number.
It is not a de Polignac number, because 2122200001 - 211 = 2122197953 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2122200061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283320 + ... + 290713.
It is an arithmetic number, because the mean of its divisors is an integer number (530694433).
Almost surely, 22122200001 is an apocalyptic number.
It is an amenable number.
2122200001 is a deficient number, since it is larger than the sum of its proper divisors (577731).
2122200001 is an equidigital number, since it uses as much as digits as its factorization.
2122200001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 577730.
The product of its (nonzero) digits is 16, while the sum is 10.
The square root of 2122200001 is about 46067.3420223047. The cubic root of 2122200001 is about 1285.0758737315.
Adding to 2122200001 its reverse (1000022212), we get a palindrome (3122222213).
The spelling of 2122200001 in words is "two billion, one hundred twenty-two million, two hundred thousand, one".
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