Base | Representation |
---|---|
bin | 1011011100011011… |
… | …00111010101000101 |
3 | 120212012002001201110 |
4 | 11232031213111011 |
5 | 100040332430041 |
6 | 2453355515233 |
7 | 305153251653 |
oct | 55615472505 |
9 | 16765061643 |
10 | 6144030021 |
11 | 2673165768 |
12 | 1235758b19 |
13 | 76bb8752c |
14 | 423dc1dd3 |
15 | 25e5d8516 |
hex | 16e367545 |
6144030021 has 16 divisors (see below), whose sum is σ = 8370309888. Its totient is φ = 4006968000.
The previous prime is 6144029953. The next prime is 6144030023. The reversal of 6144030021 is 1200304416.
It is not a de Polignac number, because 6144030021 - 29 = 6144029509 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 6144030021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6144030023) 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, 326571 + ... + 344871.
It is an arithmetic number, because the mean of its divisors is an integer number (523144368).
Almost surely, 26144030021 is an apocalyptic number.
It is an amenable number.
6144030021 is a deficient number, since it is larger than the sum of its proper divisors (2226279867).
6144030021 is a wasteful number, since it uses less digits than its factorization.
6144030021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20732.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 6144030021 is about 78383.8632691704. The cubic root of 6144030021 is about 1831.5457711939.
Adding to 6144030021 its reverse (1200304416), we get a palindrome (7344334437).
The spelling of 6144030021 in words is "six billion, one hundred forty-four million, thirty thousand, twenty-one".
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