Base | Representation |
---|---|
bin | 10100101011010110… |
… | …010111101110001101 |
3 | 2010022022012121111112 |
4 | 110223112113232031 |
5 | 330432220333401 |
6 | 14111032301405 |
7 | 1414121626016 |
oct | 245326275615 |
9 | 63268177445 |
10 | 22202121101 |
11 | 9463578216 |
12 | 4377541865 |
13 | 212a99c884 |
14 | 110895600d |
15 | 89e2563bb |
hex | 52b597b8d |
22202121101 has 4 divisors (see below), whose sum is σ = 22514827104. Its totient is φ = 21889415100.
The previous prime is 22202121079. The next prime is 22202121133. The reversal of 22202121101 is 10112120222.
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, and also an emirpimes, since its reverse is a distinct semiprime: 10112120222 = 2 ⋅5056060111.
It is a cyclic number.
It is not a de Polignac number, because 22202121101 - 26 = 22202121037 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22202121301) 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, 156352895 + ... + 156353036.
It is an arithmetic number, because the mean of its divisors is an integer number (5628706776).
Almost surely, 222202121101 is an apocalyptic number.
It is an amenable number.
22202121101 is a deficient number, since it is larger than the sum of its proper divisors (312706003).
22202121101 is an equidigital number, since it uses as much as digits as its factorization.
22202121101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 312706002.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 22202121101 its reverse (10112120222), we get a palindrome (32314241323).
The spelling of 22202121101 in words is "twenty-two billion, two hundred two million, one hundred twenty-one thousand, one hundred one".
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