Search a number
-
+
42000228053 = 76000032579
BaseRepresentation
bin100111000111011010…
…001001111011010101
311000102001211122112222
4213013122021323111
51142004024244203
631143350352125
73014543022320
oct470732117325
9130361748488
1042000228053
11168a3040a83
12818195b645
133c645a9664
1420660c57b7
15115c3e2038
hex9c7689ed5

42000228053 has 4 divisors (see below), whose sum is σ = 48000260640. Its totient is φ = 36000195468.

The previous prime is 42000228047. The next prime is 42000228071. The reversal of 42000228053 is 35082200024.

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 42000228053 - 210 = 42000227029 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 (42000228013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3000016283 + ... + 3000016296.

It is an arithmetic number, because the mean of its divisors is an integer number (12000065160).

Almost surely, 242000228053 is an apocalyptic number.

It is an amenable number.

42000228053 is a deficient number, since it is larger than the sum of its proper divisors (6000032587).

42000228053 is an equidigital number, since it uses as much as digits as its factorization.

42000228053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000032586.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 42000228053 its reverse (35082200024), we get a palindrome (77082428077).

The spelling of 42000228053 in words is "forty-two billion, two hundred twenty-eight thousand, fifty-three".

Divisors: 1 7 6000032579 42000228053