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2042042443 = 78322315761
BaseRepresentation
bin111100110110111…
…0001100001001011
312021022110111121121
41321231301201023
513140230324233
6534344020111
7101414034340
oct17155614113
95238414547
102042042443
11958752791
1248ba61637
132670a774c
141552c07c7
15be41992d
hex79b7184b

2042042443 has 16 divisors (see below), whose sum is σ = 2372622336. Its totient is φ = 1721370240.

The previous prime is 2042042441. The next prime is 2042042477. The reversal of 2042042443 is 3442402402.

It is a cyclic number.

It is not a de Polignac number, because 2042042443 - 21 = 2042042441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2042042441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121683 + ... + 137443.

It is an arithmetic number, because the mean of its divisors is an integer number (148288896).

Almost surely, 22042042443 is an apocalyptic number.

2042042443 is a deficient number, since it is larger than the sum of its proper divisors (330579893).

2042042443 is a wasteful number, since it uses less digits than its factorization.

2042042443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16074.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 2042042443 is about 45188.9637300968. The cubic root of 2042042443 is about 1268.6882612164.

Adding to 2042042443 its reverse (3442402402), we get a palindrome (5484444845).

The spelling of 2042042443 in words is "two billion, forty-two million, forty-two thousand, four hundred forty-three".

Divisors: 1 7 83 223 581 1561 15761 18509 110327 129563 1308163 3514703 9157141 24602921 291720349 2042042443