Base | Representation |
---|---|
bin | 100101011001101… |
… | …1111011111111111 |
3 | 10020110112020021221 |
4 | 1022303133133333 |
5 | 10032240343401 |
6 | 324311134211 |
7 | 43046300065 |
oct | 11263373777 |
9 | 3213466257 |
10 | 1255012351 |
11 | 59447039a |
12 | 2b0374367 |
13 | 170016178 |
14 | bc970035 |
15 | 752a57a1 |
hex | 4acdf7ff |
1255012351 has 2 divisors, whose sum is σ = 1255012352. Its totient is φ = 1255012350.
The previous prime is 1255012333. The next prime is 1255012379. The reversal of 1255012351 is 1532105521.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1255012351 - 213 = 1255004159 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1255012321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627506175 + 627506176.
It is an arithmetic number, because the mean of its divisors is an integer number (627506176).
Almost surely, 21255012351 is an apocalyptic number.
1255012351 is a deficient number, since it is larger than the sum of its proper divisors (1).
1255012351 is an equidigital number, since it uses as much as digits as its factorization.
1255012351 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1500, while the sum is 25.
The square root of 1255012351 is about 35426.1534886304. The cubic root of 1255012351 is about 1078.6552624823.
Adding to 1255012351 its reverse (1532105521), we get a palindrome (2787117872).
The spelling of 1255012351 in words is "one billion, two hundred fifty-five million, twelve thousand, three hundred fifty-one".
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