Base | Representation |
---|---|
bin | 10101011101011010… |
… | …101011001100000101 |
3 | 2012110211210110221101 |
4 | 111131122223030011 |
5 | 334142240011323 |
6 | 14330240220101 |
7 | 1444001463613 |
oct | 253532531405 |
9 | 65424713841 |
10 | 23042110213 |
11 | 98547414a1 |
12 | 457090a631 |
13 | 2232a14355 |
14 | 11883306b3 |
15 | 8ecd7bdad |
hex | 55d6ab305 |
23042110213 has 4 divisors (see below), whose sum is σ = 23046304428. Its totient is φ = 23037916000.
The previous prime is 23042110211. The next prime is 23042110243. The reversal of 23042110213 is 31201124032.
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 21181309444 + 1860800769 = 145538^2 + 43137^2 .
It is a cyclic number.
It is not a de Polignac number, because 23042110213 - 21 = 23042110211 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23042110211) 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, 2088856 + ... + 2099857.
It is an arithmetic number, because the mean of its divisors is an integer number (5761576107).
Almost surely, 223042110213 is an apocalyptic number.
It is an amenable number.
23042110213 is a deficient number, since it is larger than the sum of its proper divisors (4194215).
23042110213 is an equidigital number, since it uses as much as digits as its factorization.
23042110213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4194214.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 23042110213 its reverse (31201124032), we get a palindrome (54243234245).
The spelling of 23042110213 in words is "twenty-three billion, forty-two million, one hundred ten thousand, two hundred thirteen".
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