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2042863289 = 2388820143
BaseRepresentation
bin111100111000011…
…1001111010111001
312021101000012121022
41321300321322321
513140433111124
6534413352225
7101424023435
oct17160717271
95241005538
102042863289
11959163475
12490198675
1326730425c
141554559c5
15be52cc5e
hex79c39eb9

2042863289 has 4 divisors (see below), whose sum is σ = 2131683456. Its totient is φ = 1954043124.

The previous prime is 2042863279. The next prime is 2042863297. The reversal of 2042863289 is 9823682402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2042863289 - 212 = 2042859193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042863279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44410049 + ... + 44410094.

It is an arithmetic number, because the mean of its divisors is an integer number (532920864).

Almost surely, 22042863289 is an apocalyptic number.

It is an amenable number.

2042863289 is a deficient number, since it is larger than the sum of its proper divisors (88820167).

2042863289 is an equidigital number, since it uses as much as digits as its factorization.

2042863289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88820166.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 2042863289 is about 45198.0451900301. The cubic root of 2042863289 is about 1268.8582312679.

The spelling of 2042863289 in words is "two billion, forty-two million, eight hundred sixty-three thousand, two hundred eighty-nine".

Divisors: 1 23 88820143 2042863289