Base | Representation |
---|---|
bin | 10101110001110001… |
… | …100000001110011110 |
3 | 2020100122102221021120 |
4 | 111301301200032132 |
5 | 340342202421232 |
6 | 14424200311410 |
7 | 1455316436316 |
oct | 256161401636 |
9 | 66318387246 |
10 | 23383638942 |
11 | 9a0a500044 |
12 | 4647172566 |
13 | 22886c2761 |
14 | 11bb834446 |
15 | 91cd4092c |
hex | 571c6039e |
23383638942 has 32 divisors (see below), whose sum is σ = 48832588800. Its totient is φ = 7450771680.
The previous prime is 23383638931. The next prime is 23383638947. The reversal of 23383638942 is 24983638332.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23383638947) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159067 + ... + 268457.
It is an arithmetic number, because the mean of its divisors is an integer number (1526018400).
Almost surely, 223383638942 is an apocalyptic number.
23383638942 is an abundant number, since it is smaller than the sum of its proper divisors (25448949858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23383638942 is a wasteful number, since it uses less digits than its factorization.
23383638942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110968.
The product of its digits is 4478976, while the sum is 51.
The spelling of 23383638942 in words is "twenty-three billion, three hundred eighty-three million, six hundred thirty-eight thousand, nine hundred forty-two".
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