Base | Representation |
---|---|
bin | 10011110111011111… |
… | …101000000101111110 |
3 | 2001001200011121010012 |
4 | 103313133220011332 |
5 | 322142011212342 |
6 | 13444433343222 |
7 | 1353426063212 |
oct | 236737500576 |
9 | 61050147105 |
10 | 21332132222 |
11 | 9057483745 |
12 | 4174107b12 |
13 | 201c68325b |
14 | 10651ac942 |
15 | 84cba6b82 |
hex | 4f77e817e |
21332132222 has 8 divisors (see below), whose sum is σ = 31999125816. Its totient is φ = 10665756952.
The previous prime is 21332132221. The next prime is 21332132281. The reversal of 21332132222 is 22223123312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21332132221) 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, 55673 + ... + 213924.
It is an arithmetic number, because the mean of its divisors is an integer number (3999890727).
Almost surely, 221332132222 is an apocalyptic number.
21332132222 is a deficient number, since it is larger than the sum of its proper divisors (10666993594).
21332132222 is a wasteful number, since it uses less digits than its factorization.
21332132222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 309162.
The product of its digits is 1728, while the sum is 23.
Adding to 21332132222 its reverse (22223123312), we get a palindrome (43555255534).
The spelling of 21332132222 in words is "twenty-one billion, three hundred thirty-two million, one hundred thirty-two thousand, two hundred twenty-two".
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