Search a number
-
+
2857024974409 is a prime number
BaseRepresentation
bin101001100100110011111…
…101010110111001001001
3101010010110222112102210221
4221210303331112321021
5333302141343140114
610024255452310041
7413261512406554
oct51446375267111
911103428472727
102857024974409
11a0172612a901
123a1863a72321
131795547bc048
149c3d052369b
154e4b7763524
hex29933f56e49

2857024974409 has 2 divisors, whose sum is σ = 2857024974410. Its totient is φ = 2857024974408.

The previous prime is 2857024974403. The next prime is 2857024974467. The reversal of 2857024974409 is 9044794207582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1607816392009 + 1249208582400 = 1267997^2 + 1117680^2 .

It is a cyclic number.

It is not a de Polignac number, because 2857024974409 - 27 = 2857024974281 is a prime.

It is not a weakly prime, because it can be changed into another prime (2857024974403) 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, 1428512487204 + 1428512487205.

It is an arithmetic number, because the mean of its divisors is an integer number (1428512487205).

Almost surely, 22857024974409 is an apocalyptic number.

It is an amenable number.

2857024974409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2857024974409 is an equidigital number, since it uses as much as digits as its factorization.

2857024974409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 2857024974409 in words is "two trillion, eight hundred fifty-seven billion, twenty-four million, nine hundred seventy-four thousand, four hundred nine".