Search a number
-
+
30356404103 = 241125960183
BaseRepresentation
bin11100010001011000…
…011111011110000111
32220100120221002220002
4130101120133132013
5444132214412403
621540123031515
72123155114604
oct342130373607
986316832802
1030356404103
1111968442783
125a7236b59b
132b2a1811bc
14167d9016ab
15bca07a188
hex71161f787

30356404103 has 4 divisors (see below), whose sum is σ = 30482364528. Its totient is φ = 30230443680.

The previous prime is 30356404079. The next prime is 30356404151. The reversal of 30356404103 is 30140465303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30140465303 = 132318497331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30356404103 is a prime.

It is a super-3 number, since 3×303564041033 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30356409103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62979851 + ... + 62980332.

It is an arithmetic number, because the mean of its divisors is an integer number (7620591132).

Almost surely, 230356404103 is an apocalyptic number.

30356404103 is a deficient number, since it is larger than the sum of its proper divisors (125960425).

30356404103 is a wasteful number, since it uses less digits than its factorization.

30356404103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125960424.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 30356404103 its reverse (30140465303), we get a palindrome (60496869406).

The spelling of 30356404103 in words is "thirty billion, three hundred fifty-six million, four hundred four thousand, one hundred three".

Divisors: 1 241 125960183 30356404103