Base | Representation |
---|---|
bin | 10101110100100011… |
… | …111110001100110000 |
3 | 2020110220110211102012 |
4 | 111310203332030300 |
5 | 340441142021334 |
6 | 14432551142052 |
7 | 1456425212066 |
oct | 256443761460 |
9 | 66426424365 |
10 | 23430423344 |
11 | 9a33954939 |
12 | 465a974928 |
13 | 22952c3333 |
14 | 11c3b32036 |
15 | 921ed29ce |
hex | 5748fe330 |
23430423344 has 40 divisors (see below), whose sum is σ = 47871869040. Its totient is φ = 11078615808.
The previous prime is 23430423253. The next prime is 23430423371. The reversal of 23430423344 is 44332403432.
It is a self number, because there is not a number n which added to its sum of digits gives 23430423344.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100142 + ... + 238514.
It is an arithmetic number, because the mean of its divisors is an integer number (1196796726).
Almost surely, 223430423344 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23430423344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23935934520).
23430423344 is an abundant number, since it is smaller than the sum of its proper divisors (24441445696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23430423344 is a wasteful number, since it uses less digits than its factorization.
23430423344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138957 (or 138951 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 32.
Adding to 23430423344 its reverse (44332403432), we get a palindrome (67762826776).
The spelling of 23430423344 in words is "twenty-three billion, four hundred thirty million, four hundred twenty-three thousand, three hundred forty-four".
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