Base | Representation |
---|---|
bin | 11110100001101… |
… | …100011000011111 |
3 | 1022200200212101100 |
4 | 132201230120133 |
5 | 2022102232043 |
6 | 122453044143 |
7 | 15456123561 |
oct | 3641543037 |
9 | 1280625340 |
10 | 512149023 |
11 | 243105161 |
12 | 123626653 |
13 | 82149b79 |
14 | 4c039331 |
15 | 2ee67cd3 |
hex | 1e86c61f |
512149023 has 6 divisors (see below), whose sum is σ = 739770824. Its totient is φ = 341432676.
The previous prime is 512149013. The next prime is 512149031. The reversal of 512149023 is 320941215.
512149023 is a `hidden beast` number, since 512 + 149 + 0 + 2 + 3 = 666.
It is not a de Polignac number, because 512149023 - 24 = 512149007 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (512149013) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28452715 + ... + 28452732.
Almost surely, 2512149023 is an apocalyptic number.
512149023 is a deficient number, since it is larger than the sum of its proper divisors (227621801).
512149023 is a wasteful number, since it uses less digits than its factorization.
512149023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56905453 (or 56905450 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 512149023 is about 22630.7097325736. The cubic root of 512149023 is about 800.0776086167.
The spelling of 512149023 in words is "five hundred twelve million, one hundred forty-nine thousand, twenty-three".
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