Base | Representation |
---|---|
bin | 1010000001100100… |
… | …00011101111110101 |
3 | 111220001212101010212 |
4 | 11000302003233311 |
5 | 42010222103134 |
6 | 2250011155205 |
7 | 250236546224 |
oct | 50062035765 |
9 | 14801771125 |
10 | 5381831669 |
11 | 23119a3875 |
12 | 1062445b05 |
13 | 679cab6a6 |
14 | 390a96cbb |
15 | 21772bbce |
hex | 140c83bf5 |
5381831669 has 2 divisors, whose sum is σ = 5381831670. Its totient is φ = 5381831668.
The previous prime is 5381831641. The next prime is 5381831683. The reversal of 5381831669 is 9661381835.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 4002080644 + 1379751025 = 63262^2 + 37145^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-5381831669 is a prime.
It is a super-2 number, since 2×53818316692 = 57928224226902651122, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (5381831269) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2690915834 + 2690915835.
It is an arithmetic number, because the mean of its divisors is an integer number (2690915835).
Almost surely, 25381831669 is an apocalyptic number.
It is an amenable number.
5381831669 is a deficient number, since it is larger than the sum of its proper divisors (1).
5381831669 is an equidigital number, since it uses as much as digits as its factorization.
5381831669 is an evil number, because the sum of its binary digits is even.
The product of its digits is 933120, while the sum is 50.
The square root of 5381831669 is about 73360.9682937732. The cubic root of 5381831669 is about 1752.4408572616.
The spelling of 5381831669 in words is "five billion, three hundred eighty-one million, eight hundred thirty-one thousand, six hundred sixty-nine".
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