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2642811139 is a prime number
BaseRepresentation
bin1001110110000110…
…0001100100000011
320211011220201100001
42131201201210003
520403024424024
61114124340431
7122330344513
oct23541414403
96734821301
102642811139
111136886141
126190a4717
133316b2197
141b0dc7843
1510703a244
hex9d861903

2642811139 has 2 divisors, whose sum is σ = 2642811140. Its totient is φ = 2642811138.

The previous prime is 2642811091. The next prime is 2642811167. The reversal of 2642811139 is 9311182462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2642811139 - 27 = 2642811011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2642811098 and 2642811107.

It is not a weakly prime, because it can be changed into another prime (2642811439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321405569 + 1321405570.

It is an arithmetic number, because the mean of its divisors is an integer number (1321405570).

Almost surely, 22642811139 is an apocalyptic number.

2642811139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642811139 is an equidigital number, since it uses as much as digits as its factorization.

2642811139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 37.

The square root of 2642811139 is about 51408.2788955242. The cubic root of 2642811139 is about 1382.5750315873.

The spelling of 2642811139 in words is "two billion, six hundred forty-two million, eight hundred eleven thousand, one hundred thirty-nine".