Base | Representation |
---|---|
bin | 10110011001010000… |
… | …01110010011101111 |
3 | 1011000220110020222022 |
4 | 23030220032103233 |
5 | 144110343443043 |
6 | 5305011140355 |
7 | 603641035403 |
oct | 131450162357 |
9 | 34026406868 |
10 | 12023031023 |
11 | 510a762183 |
12 | 23b65a46bb |
13 | 1197b69753 |
14 | 820ad5103 |
15 | 4a57be868 |
hex | 2cca0e4ef |
12023031023 has 16 divisors (see below), whose sum is σ = 12782592000. Its totient is φ = 11269383552.
The previous prime is 12023030993. The next prime is 12023031043. The reversal of 12023031023 is 32013032021.
It is a cyclic number.
It is not a de Polignac number, because 12023031023 - 210 = 12023029999 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12023030992 and 12023031010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12023031043) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8239868 + ... + 8241326.
It is an arithmetic number, because the mean of its divisors is an integer number (798912000).
Almost surely, 212023031023 is an apocalyptic number.
12023031023 is a deficient number, since it is larger than the sum of its proper divisors (759560977).
12023031023 is a wasteful number, since it uses less digits than its factorization.
12023031023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3134.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 12023031023 its reverse (32013032021), we get a palindrome (44036063044).
The spelling of 12023031023 in words is "twelve billion, twenty-three million, thirty-one thousand, twenty-three".
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