Search a number
-
+
42642224623 = 3171149130027
BaseRepresentation
bin100111101101101011…
…001011010111101111
311002001210212110021201
4213231223023113233
51144312402141443
631331202510331
73036466633405
oct475553132757
9132053773251
1042642224623
11170a2473559
1283209653a7
1340375ba79b
1420c7481475
15119895834d
hex9edacb5ef

42642224623 has 16 divisors (see below), whose sum is σ = 44937676800. Its totient is φ = 40412080800.

The previous prime is 42642224593. The next prime is 42642224627. The reversal of 42642224623 is 32642224624.

It is a cyclic number.

It is not a de Polignac number, because 42642224623 - 213 = 42642216431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42642224627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262936 + ... + 392962.

It is an arithmetic number, because the mean of its divisors is an integer number (2808604800).

Almost surely, 242642224623 is an apocalyptic number.

42642224623 is a deficient number, since it is larger than the sum of its proper divisors (2295452177).

42642224623 is a wasteful number, since it uses less digits than its factorization.

42642224623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130278.

The product of its digits is 221184, while the sum is 37.

Subtracting from 42642224623 its reverse (32642224624), we obtain a palindrome (9999999999).

The spelling of 42642224623 in words is "forty-two billion, six hundred forty-two million, two hundred twenty-four thousand, six hundred twenty-three".

Divisors: 1 31 71 149 2201 4619 10579 130027 327949 4030837 9231917 19374023 286189427 600594713 1375555633 42642224623