Base | Representation |
---|---|
bin | 100101011010100… |
… | …0101100011010111 |
3 | 10020111022110200201 |
4 | 1022311011203113 |
5 | 10032342232414 |
6 | 324324121331 |
7 | 43052660551 |
oct | 11265054327 |
9 | 3214273621 |
10 | 1255430359 |
11 | 594726457 |
12 | 2b0536247 |
13 | 170131501 |
14 | bca3c4d1 |
15 | 75339574 |
hex | 4ad458d7 |
1255430359 has 2 divisors, whose sum is σ = 1255430360. Its totient is φ = 1255430358.
The previous prime is 1255430353. The next prime is 1255430369. The reversal of 1255430359 is 9530345521.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1255430359 - 25 = 1255430327 is a prime.
It is a super-2 number, since 2×12554303592 = 3152210772597737762, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1255430353) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627715179 + 627715180.
It is an arithmetic number, because the mean of its divisors is an integer number (627715180).
Almost surely, 21255430359 is an apocalyptic number.
1255430359 is a deficient number, since it is larger than the sum of its proper divisors (1).
1255430359 is an equidigital number, since it uses as much as digits as its factorization.
1255430359 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 81000, while the sum is 37.
The square root of 1255430359 is about 35432.0527065537. The cubic root of 1255430359 is about 1078.7750053887.
The spelling of 1255430359 in words is "one billion, two hundred fifty-five million, four hundred thirty thousand, three hundred fifty-nine".
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