Base | Representation |
---|---|
bin | 1100111000001001110… |
… | …1111110111011010101 |
3 | 210011001001110201200001 |
4 | 3032002131332323111 |
5 | 12111040422330401 |
6 | 245344354251301 |
7 | 21661224633331 |
oct | 3160235767325 |
9 | 704031421601 |
10 | 221232230101 |
11 | 8590790aa03 |
12 | 36a62286b31 |
13 | 17b2909433c |
14 | a9c9cc67c1 |
15 | 5b4c495601 |
hex | 338277eed5 |
221232230101 has 8 divisors (see below), whose sum is σ = 221641003584. Its totient is φ = 220823809440.
The previous prime is 221232230029. The next prime is 221232230111. The reversal of 221232230101 is 101032232122.
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 221232230101 - 27 = 221232229973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (221232230111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183896 + ... + 1357966.
It is an arithmetic number, because the mean of its divisors is an integer number (27705125448).
Almost surely, 2221232230101 is an apocalyptic number.
It is an amenable number.
221232230101 is a deficient number, since it is larger than the sum of its proper divisors (408773483).
221232230101 is a wasteful number, since it uses less digits than its factorization.
221232230101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 176411.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 221232230101 its reverse (101032232122), we get a palindrome (322264462223).
The spelling of 221232230101 in words is "two hundred twenty-one billion, two hundred thirty-two million, two hundred thirty thousand, one hundred one".
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