Base | Representation |
---|---|
bin | 1111001001010… |
… | …11000111111011 |
3 | 22212002000202222 |
4 | 13210223013323 |
5 | 230011214311 |
6 | 20335114255 |
7 | 3101641535 |
oct | 744530773 |
9 | 285060688 |
10 | 127054331 |
11 | 6579a888 |
12 | 3667298b |
13 | 20426aa1 |
14 | 12c34855 |
15 | b24aadb |
hex | 792b1fb |
127054331 has 2 divisors, whose sum is σ = 127054332. Its totient is φ = 127054330.
The previous prime is 127054321. The next prime is 127054351. The reversal of 127054331 is 133450721.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 127054331 - 26 = 127054267 is a prime.
It is a super-2 number, since 2×1270543312 = 32285606051715122, which contains 22 as substring.
It is a Sophie Germain prime.
It is equal to p7220393 and since 127054331 and 7220393 have the same sum of digits, it is a Honaker prime.
It is a self number, because there is not a number n which added to its sum of digits gives 127054331.
It is not a weakly prime, because it can be changed into another prime (127054321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63527165 + 63527166.
It is an arithmetic number, because the mean of its divisors is an integer number (63527166).
Almost surely, 2127054331 is an apocalyptic number.
127054331 is a deficient number, since it is larger than the sum of its proper divisors (1).
127054331 is an equidigital number, since it uses as much as digits as its factorization.
127054331 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2520, while the sum is 26.
The square root of 127054331 is about 11271.8379601554. The cubic root of 127054331 is about 502.7242380964.
The spelling of 127054331 in words is "one hundred twenty-seven million, fifty-four thousand, three hundred thirty-one".
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