Base | Representation |
---|---|
bin | 1100110111010101100… |
… | …1110011100101000001 |
3 | 210010110210000021100110 |
4 | 3031311121303211001 |
5 | 12110113313444413 |
6 | 245310524141533 |
7 | 21652623524511 |
oct | 3156531634501 |
9 | 703423007313 |
10 | 221013031233 |
11 | 85805104615 |
12 | 36a009978a9 |
13 | 17ac2847477 |
14 | a9a8b47841 |
15 | 5b380e78c3 |
hex | 3375673941 |
221013031233 has 8 divisors (see below), whose sum is σ = 295249656096. Its totient is φ = 147059213600.
The previous prime is 221013031223. The next prime is 221013031247. The reversal of 221013031233 is 332130310122.
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 221013031233 - 25 = 221013031201 is a prime.
It is a super-3 number, since 3×2210130312333 (a number of 35 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (221013031223) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70699983 + ... + 70703108.
It is an arithmetic number, because the mean of its divisors is an integer number (36906207012).
Almost surely, 2221013031233 is an apocalyptic number.
It is an amenable number.
221013031233 is a deficient number, since it is larger than the sum of its proper divisors (74236624863).
221013031233 is a wasteful number, since it uses less digits than its factorization.
221013031233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141403615.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 221013031233 its reverse (332130310122), we get a palindrome (553143341355).
The spelling of 221013031233 in words is "two hundred twenty-one billion, thirteen million, thirty-one thousand, two hundred thirty-three".
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