Search a number
-
+
30442001242 = 234421442201
BaseRepresentation
bin11100010110011111…
…000001001101011010
32220120112222220002111
4130112133001031122
5444321123014432
621552421422534
72125244512132
oct342637011532
986515886074
1030442001242
1111a01797114
125a96b6aa4a
132b41b210b3
14168b023ac2
15bd2837347
hex7167c135a

30442001242 has 8 divisors (see below), whose sum is σ = 45664431732. Its totient is φ = 15220524000.

The previous prime is 30442001197. The next prime is 30442001263. The reversal of 30442001242 is 24210024403.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28086743281 + 2355257961 = 167591^2 + 48531^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152259 + ... + 289942.

Almost surely, 230442001242 is an apocalyptic number.

30442001242 is a deficient number, since it is larger than the sum of its proper divisors (15222430490).

30442001242 is a wasteful number, since it uses less digits than its factorization.

30442001242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476624.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 30442001242 its reverse (24210024403), we get a palindrome (54652025645).

The spelling of 30442001242 in words is "thirty billion, four hundred forty-two million, one thousand, two hundred forty-two".

Divisors: 1 2 34421 68842 442201 884402 15221000621 30442001242