Base | Representation |
---|---|
bin | 111100010010100… |
… | …1011101100010110 |
3 | 12012222122201022200 |
4 | 1320211023230112 |
5 | 13120342410032 |
6 | 532424105330 |
7 | 101063220333 |
oct | 17045135426 |
9 | 5188581280 |
10 | 2023013142 |
11 | 948a35797 |
12 | 485605246 |
13 | 2631740c7 |
14 | 15296998a |
15 | bc90b47c |
hex | 7894bb16 |
2023013142 has 24 divisors (see below), whose sum is σ = 4448618616. Its totient is φ = 664272576.
The previous prime is 2023013129. The next prime is 2023013143. The reversal of 2023013142 is 2413103202.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2023013143) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 837523 + ... + 839934.
It is an arithmetic number, because the mean of its divisors is an integer number (185359109).
Almost surely, 22023013142 is an apocalyptic number.
2023013142 is an abundant number, since it is smaller than the sum of its proper divisors (2425605474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2023013142 is a wasteful number, since it uses less digits than its factorization.
2023013142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1677532 (or 1677529 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 2023013142 is about 44977.9183822462. The cubic root of 2023013142 is about 1264.7350894811.
Adding to 2023013142 its reverse (2413103202), we get a palindrome (4436116344).
The spelling of 2023013142 in words is "two billion, twenty-three million, thirteen thousand, one hundred forty-two".
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