Base | Representation |
---|---|
bin | 10100101011111100… |
… | …011110011010110001 |
3 | 2010100000000002200210 |
4 | 110223330132122301 |
5 | 330442300010001 |
6 | 14112030334333 |
7 | 1414302551124 |
oct | 245374363261 |
9 | 63300002623 |
10 | 22212110001 |
11 | 9469180004 |
12 | 437a95a3a9 |
13 | 212ca89373 |
14 | 1109dd63bb |
15 | 8a007add6 |
hex | 52bf1e6b1 |
22212110001 has 4 divisors (see below), whose sum is σ = 29616146672. Its totient is φ = 14808073332.
The previous prime is 22212109979. The next prime is 22212110017. The reversal of 22212110001 is 10001121222.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 22212110001 - 210 = 22212108977 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22212110051) 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, 3702018331 + ... + 3702018336.
It is an arithmetic number, because the mean of its divisors is an integer number (7404036668).
Almost surely, 222212110001 is an apocalyptic number.
It is an amenable number.
22212110001 is a deficient number, since it is larger than the sum of its proper divisors (7404036671).
22212110001 is an equidigital number, since it uses as much as digits as its factorization.
22212110001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7404036670.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 22212110001 its reverse (10001121222), we get a palindrome (32213231223).
The spelling of 22212110001 in words is "twenty-two billion, two hundred twelve million, one hundred ten thousand, one".
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