Base | Representation |
---|---|
bin | 10010101110101010… |
… | …110101010100101111 |
3 | 1220220112010202222201 |
4 | 102232222311110233 |
5 | 312141221130411 |
6 | 13123310122331 |
7 | 1311232004062 |
oct | 225652652457 |
9 | 56815122881 |
10 | 20110333231 |
11 | 858a83900a |
12 | 3a92ab03a7 |
13 | 1b864c8881 |
14 | d8ac068d9 |
15 | 7ca7b23c1 |
hex | 4aeab552f |
20110333231 has 8 divisors (see below), whose sum is σ = 20358422000. Its totient is φ = 19863076608.
The previous prime is 20110333211. The next prime is 20110333259. The reversal of 20110333231 is 13233301102.
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 20110333231 - 223 = 20101944623 is a prime.
It is a super-2 number, since 2×201103332312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20110333199 and 20110333208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20110333211) 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, 159336 + ... + 256141.
It is an arithmetic number, because the mean of its divisors is an integer number (2544802750).
Almost surely, 220110333231 is an apocalyptic number.
20110333231 is a deficient number, since it is larger than the sum of its proper divisors (248088769).
20110333231 is an equidigital number, since it uses as much as digits as its factorization.
20110333231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 416073.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 20110333231 its reverse (13233301102), we get a palindrome (33343634333).
The spelling of 20110333231 in words is "twenty billion, one hundred ten million, three hundred thirty-three thousand, two hundred thirty-one".
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