Base | Representation |
---|---|
bin | 10011101111110100… |
… | …010000010110111101 |
3 | 2000201200210101010101 |
4 | 103233310100112331 |
5 | 321411022303201 |
6 | 13423552441101 |
7 | 1350303160120 |
oct | 235764202675 |
9 | 60650711111 |
10 | 21203322301 |
11 | 8aa07a4967 |
12 | 4138b49191 |
13 | 1ccba93375 |
14 | 105203c3b7 |
15 | 841710d01 |
hex | 4efd105bd |
21203322301 has 8 divisors (see below), whose sum is σ = 25657801920. Its totient is φ = 17105201088.
The previous prime is 21203322281. The next prime is 21203322307. The reversal of 21203322301 is 10322330212.
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 21203322301 - 213 = 21203314109 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 (21203322307) 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, 89089471 + ... + 89089708.
It is an arithmetic number, because the mean of its divisors is an integer number (3207225240).
Almost surely, 221203322301 is an apocalyptic number.
It is an amenable number.
21203322301 is a deficient number, since it is larger than the sum of its proper divisors (4454479619).
21203322301 is a wasteful number, since it uses less digits than its factorization.
21203322301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178179203.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 21203322301 its reverse (10322330212), we get a palindrome (31525652513).
The spelling of 21203322301 in words is "twenty-one billion, two hundred three million, three hundred twenty-two thousand, three hundred one".
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