Base | Representation |
---|---|
bin | 10011100101100111… |
… | …111001010110111001 |
3 | 2000021210000001121220 |
4 | 103211213321112321 |
5 | 321033232411301 |
6 | 13355003222253 |
7 | 1343125454430 |
oct | 234547712671 |
9 | 60253001556 |
10 | 21032310201 |
11 | 8a13210a51 |
12 | 40ab817989 |
13 | 1ca2518486 |
14 | 1037444117 |
15 | 8316d0936 |
hex | 4e59f95b9 |
21032310201 has 8 divisors (see below), whose sum is σ = 32049234624. Its totient is φ = 12018462960.
The previous prime is 21032310197. The next prime is 21032310203. The reversal of 21032310201 is 10201323012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 21032310201 - 22 = 21032310197 is a prime.
It is not an unprimeable number, because it can be changed into a prime (21032310203) 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, 500769270 + ... + 500769311.
It is an arithmetic number, because the mean of its divisors is an integer number (4006154328).
Almost surely, 221032310201 is an apocalyptic number.
21032310201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
21032310201 is a deficient number, since it is larger than the sum of its proper divisors (11016924423).
21032310201 is a wasteful number, since it uses less digits than its factorization.
21032310201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1001538591.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 21032310201 its reverse (10201323012), we get a palindrome (31233633213).
The spelling of 21032310201 in words is "twenty-one billion, thirty-two million, three hundred ten thousand, two hundred one".
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