Base | Representation |
---|---|
bin | 1011011100011101… |
… | …11010011111111001 |
3 | 120212012201101000111 |
4 | 11232032322133321 |
5 | 100040424330211 |
6 | 2453411104321 |
7 | 305156201101 |
oct | 55616723771 |
9 | 16765641014 |
10 | 6144370681 |
11 | 26733786a9 |
12 | 12358a20a1 |
13 | 76bc765c7 |
14 | 424070201 |
15 | 25e654421 |
hex | 16e3ba7f9 |
6144370681 has 2 divisors, whose sum is σ = 6144370682. Its totient is φ = 6144370680.
The previous prime is 6144370669. The next prime is 6144370691. The reversal of 6144370681 is 1860734416.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 6144051456 + 319225 = 78384^2 + 565^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-6144370681 is a prime.
It is a super-2 number, since 2×61443706812 = 75506582131064807522, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (6144370691) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3072185340 + 3072185341.
It is an arithmetic number, because the mean of its divisors is an integer number (3072185341).
Almost surely, 26144370681 is an apocalyptic number.
It is an amenable number.
6144370681 is a deficient number, since it is larger than the sum of its proper divisors (1).
6144370681 is an equidigital number, since it uses as much as digits as its factorization.
6144370681 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96768, while the sum is 40.
The square root of 6144370681 is about 78386.0362628447. The cubic root of 6144370681 is about 1831.5796210095.
The spelling of 6144370681 in words is "six billion, one hundred forty-four million, three hundred seventy thousand, six hundred eighty-one".
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