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270748813 is a prime number
BaseRepresentation
bin10000001000110…
…100110010001101
3200212110110112211
4100020310302031
51023302430223
642511030421
76465220066
oct2010646215
9625413484
10270748813
11129915655
127680b411
13441288ca
1427d5b56d
1518b81d0d
hex10234c8d

270748813 has 2 divisors, whose sum is σ = 270748814. Its totient is φ = 270748812.

The previous prime is 270748771. The next prime is 270748831. The reversal of 270748813 is 318847072.

Together with next prime (270748831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242051364 + 28697449 = 15558^2 + 5357^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-270748813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270718813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135374406 + 135374407.

It is an arithmetic number, because the mean of its divisors is an integer number (135374407).

Almost surely, 2270748813 is an apocalyptic number.

It is an amenable number.

270748813 is a deficient number, since it is larger than the sum of its proper divisors (1).

270748813 is an equidigital number, since it uses as much as digits as its factorization.

270748813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 270748813 is about 16454.4466026664. The cubic root of 270748813 is about 646.9273624148.

The spelling of 270748813 in words is "two hundred seventy million, seven hundred forty-eight thousand, eight hundred thirteen".