Base | Representation |
---|---|
bin | 10100101100011110… |
… | …011011010010110101 |
3 | 2010100121202021100010 |
4 | 110230132123102311 |
5 | 331002034310401 |
6 | 14112545210433 |
7 | 1414441320003 |
oct | 245436332265 |
9 | 63317667303 |
10 | 22221010101 |
11 | 94731a9864 |
12 | 4381930a19 |
13 | 21318843b4 |
14 | 110b271a73 |
15 | 8a0c37ed6 |
hex | 52c79b4b5 |
22221010101 has 8 divisors (see below), whose sum is σ = 29921360544. Its totient is φ = 14667333200.
The previous prime is 22221010069. The next prime is 22221010109. The reversal of 22221010101 is 10101012222.
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 22221010101 - 25 = 22221010069 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22221010109) 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 7 ways as a sum of consecutive naturals, for example, 36668031 + ... + 36668636.
It is an arithmetic number, because the mean of its divisors is an integer number (3740170068).
Almost surely, 222221010101 is an apocalyptic number.
It is an amenable number.
22221010101 is a deficient number, since it is larger than the sum of its proper divisors (7700350443).
22221010101 is a wasteful number, since it uses less digits than its factorization.
22221010101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73336771.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 22221010101 its reverse (10101012222), we get a palindrome (32322022323).
It can be divided in two parts, 22221010 and 101, that added together give a triangular number (22221111 = T6666).
The spelling of 22221010101 in words is "twenty-two billion, two hundred twenty-one million, ten thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •