Base | Representation |
---|---|
bin | 10101101100111110… |
… | …010110100001101001 |
3 | 2020011000221012102121 |
4 | 111230332112201221 |
5 | 340211044333001 |
6 | 14412202431241 |
7 | 1453321155166 |
oct | 255476264151 |
9 | 66130835377 |
10 | 23303121001 |
11 | 9979005796 |
12 | 4624202521 |
13 | 2274b106c4 |
14 | 11b0c7506d |
15 | 915c386a1 |
hex | 56cf96869 |
23303121001 has 4 divisors (see below), whose sum is σ = 23337747412. Its totient is φ = 23268494592.
The previous prime is 23303120977. The next prime is 23303121029. The reversal of 23303121001 is 10012130332.
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 11789616400 + 11513504601 = 108580^2 + 107301^2 .
It is a cyclic number.
It is not a de Polignac number, because 23303121001 - 27 = 23303120873 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23303121031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17312196 + ... + 17313541.
It is an arithmetic number, because the mean of its divisors is an integer number (5834436853).
Almost surely, 223303121001 is an apocalyptic number.
It is an amenable number.
23303121001 is a deficient number, since it is larger than the sum of its proper divisors (34626411).
23303121001 is an equidigital number, since it uses as much as digits as its factorization.
23303121001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34626410.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 23303121001 its reverse (10012130332), we get a palindrome (33315251333).
The spelling of 23303121001 in words is "twenty-three billion, three hundred three million, one hundred twenty-one thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •