Base | Representation |
---|---|
bin | 110011010100100011… |
… | …0000110001010100101 |
3 | 101112110210200111022111 |
4 | 1212221012012022211 |
5 | 3301203022130041 |
6 | 122344051001021 |
7 | 10651064101606 |
oct | 1465106061245 |
9 | 345423614274 |
10 | 110211130021 |
11 | 42816345233 |
12 | 19439599171 |
13 | a515180205 |
14 | 5497261dad |
15 | 2d008ee981 |
hex | 19a91862a5 |
110211130021 has 4 divisors (see below), whose sum is σ = 110214175500. Its totient is φ = 110208084544.
The previous prime is 110211130019. The next prime is 110211130037. The reversal of 110211130021 is 120031112011.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 106860341025 + 3350788996 = 326895^2 + 57886^2 .
It is a cyclic number.
It is not a de Polignac number, because 110211130021 - 21 = 110211130019 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 110211129983 and 110211130010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (110211130061) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1467796 + ... + 1541053.
It is an arithmetic number, because the mean of its divisors is an integer number (27553543875).
Almost surely, 2110211130021 is an apocalyptic number.
It is an amenable number.
110211130021 is a deficient number, since it is larger than the sum of its proper divisors (3045479).
110211130021 is an equidigital number, since it uses as much as digits as its factorization.
110211130021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3045478.
The product of its (nonzero) digits is 12, while the sum is 13.
Adding to 110211130021 its reverse (120031112011), we get a palindrome (230242242032).
The spelling of 110211130021 in words is "one hundred ten billion, two hundred eleven million, one hundred thirty thousand, twenty-one".
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