Base | Representation |
---|---|
bin | 10010101111011011… |
… | …010001110111010100 |
3 | 1220221102000222212011 |
4 | 102233123101313110 |
5 | 312202444024134 |
6 | 13124442234004 |
7 | 1311444646552 |
oct | 225733216724 |
9 | 56842028764 |
10 | 20123033044 |
11 | 8596a22624 |
12 | 3a971b5904 |
13 | 1b8902425a |
14 | d8c790bd2 |
15 | 7cb970264 |
hex | 4af6d1dd4 |
20123033044 has 12 divisors (see below), whose sum is σ = 36074218068. Its totient is φ = 9816113600.
The previous prime is 20123033011. The next prime is 20123033081. The reversal of 20123033044 is 44033032102.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 11889285444 + 8233747600 = 109038^2 + 90740^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61350547 + ... + 61350874.
It is an arithmetic number, because the mean of its divisors is an integer number (3006184839).
Almost surely, 220123033044 is an apocalyptic number.
It is an amenable number.
20123033044 is a deficient number, since it is larger than the sum of its proper divisors (15951185024).
20123033044 is a wasteful number, since it uses less digits than its factorization.
20123033044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122701466 (or 122701464 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 22.
Adding to 20123033044 its reverse (44033032102), we get a palindrome (64156065146).
The spelling of 20123033044 in words is "twenty billion, one hundred twenty-three million, thirty-three thousand, forty-four".
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