Base | Representation |
---|---|
bin | 10101011011001010… |
… | …111111010101111111 |
3 | 2012101012220211122121 |
4 | 111123022333111333 |
5 | 334103114202111 |
6 | 14322413023411 |
7 | 1443033355642 |
oct | 253312772577 |
9 | 65335824577 |
10 | 23004444031 |
11 | 9835455318 |
12 | 4560184b67 |
13 | 2227c86b7a |
14 | 1183327a59 |
15 | 8e98db871 |
hex | 55b2bf57f |
23004444031 has 4 divisors (see below), whose sum is σ = 23005090672. Its totient is φ = 23003797392.
The previous prime is 23004443897. The next prime is 23004444077. The reversal of 23004444031 is 13044440032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 23004444031 - 211 = 23004441983 is a prime.
It is a super-2 number, since 2×230044440312 (a number of 22 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 = 23004443987 and 23004444005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23004444131) 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, 266646 + ... + 342211.
It is an arithmetic number, because the mean of its divisors is an integer number (5751272668).
Almost surely, 223004444031 is an apocalyptic number.
23004444031 is a deficient number, since it is larger than the sum of its proper divisors (646641).
23004444031 is an equidigital number, since it uses as much as digits as its factorization.
23004444031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 646640.
The product of its (nonzero) digits is 4608, while the sum is 25.
Adding to 23004444031 its reverse (13044440032), we get a palindrome (36048884063).
The spelling of 23004444031 in words is "twenty-three billion, four million, four hundred forty-four thousand, thirty-one".
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