Search a number
-
+
42002244443 = 2310317729947
BaseRepresentation
bin100111000111100001…
…110110001101011011
311000102012122002112002
4213013201312031123
51142010033310233
631143501511215
73014566121105
oct470741661533
9130365562462
1042002244443
11168a4198a15
12818257250b
133c64b343a3
14206648c575
15115c68e6e8
hex9c787635b

42002244443 has 8 divisors (see below), whose sum is σ = 44253950208. Its totient is φ = 39785998824.

The previous prime is 42002244433. The next prime is 42002244481. The reversal of 42002244443 is 34444220024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42002244443 - 232 = 37707277147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42002244433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8862605 + ... + 8867342.

It is an arithmetic number, because the mean of its divisors is an integer number (5531743776).

Almost surely, 242002244443 is an apocalyptic number.

42002244443 is a deficient number, since it is larger than the sum of its proper divisors (2251705765).

42002244443 is a wasteful number, since it uses less digits than its factorization.

42002244443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17730073.

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 42002244443 its reverse (34444220024), we get a palindrome (76446464467).

The spelling of 42002244443 in words is "forty-two billion, two million, two hundred forty-four thousand, four hundred forty-three".

Divisors: 1 23 103 2369 17729947 407788781 1826184541 42002244443