Base | Representation |
---|---|
bin | 10101110100000111… |
… | …101111000110001110 |
3 | 2020110101112202221010 |
4 | 111310013233012032 |
5 | 340432243141304 |
6 | 14432124350050 |
7 | 1456305253200 |
oct | 256407570616 |
9 | 66411482833 |
10 | 23423021454 |
11 | 9a2a759778 |
12 | 46583a5326 |
13 | 2293901211 |
14 | 11c2b66770 |
15 | 92151e789 |
hex | 5741ef18e |
23423021454 has 24 divisors (see below), whose sum is σ = 54494377128. Its totient is φ = 6692291760.
The previous prime is 23423021441. The next prime is 23423021459. The reversal of 23423021454 is 45412032432.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23423021459) 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 11 ways as a sum of consecutive naturals, for example, 39834777 + ... + 39835364.
It is an arithmetic number, because the mean of its divisors is an integer number (2270599047).
Almost surely, 223423021454 is an apocalyptic number.
23423021454 is an abundant number, since it is smaller than the sum of its proper divisors (31071355674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23423021454 is a wasteful number, since it uses less digits than its factorization.
23423021454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79670160 (or 79670153 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 30.
Adding to 23423021454 its reverse (45412032432), we get a palindrome (68835053886).
The spelling of 23423021454 in words is "twenty-three billion, four hundred twenty-three million, twenty-one thousand, four hundred fifty-four".
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