Base | Representation |
---|---|
bin | 10010111011010110… |
… | …111011111001101101 |
3 | 1221110100201121020122 |
4 | 102323112323321231 |
5 | 313110221033401 |
6 | 13200353054325 |
7 | 1316425346321 |
oct | 227326737155 |
9 | 57410647218 |
10 | 20323221101 |
11 | 8689a238a7 |
12 | 3b322573a5 |
13 | 1bbb646021 |
14 | dab1c1981 |
15 | 7de31521b |
hex | 4bb5bbe6d |
20323221101 has 8 divisors (see below), whose sum is σ = 20510260224. Its totient is φ = 20136604320.
The previous prime is 20323221067. The next prime is 20323221137. The reversal of 20323221101 is 10112232302.
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 20323221101 - 210 = 20323220077 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 20323221101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20323221151) 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, 8495 + ... + 201788.
It is an arithmetic number, because the mean of its divisors is an integer number (2563782528).
Almost surely, 220323221101 is an apocalyptic number.
It is an amenable number.
20323221101 is a deficient number, since it is larger than the sum of its proper divisors (187039123).
20323221101 is a wasteful number, since it uses less digits than its factorization.
20323221101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 211171.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 20323221101 its reverse (10112232302), we get a palindrome (30435453403).
The spelling of 20323221101 in words is "twenty billion, three hundred twenty-three million, two hundred twenty-one thousand, one hundred one".
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