Search a number
-
+
30113303029 = 79381181051
BaseRepresentation
bin11100000010111001…
…001000100111110101
32212201122111021220121
4130002321020213311
5443133001144104
621500040331541
72114143565245
oct340271104765
985648437817
1030113303029
11118531a12a7
125a04a73bb1
132abb9b5a04
1416594ddb25
15bb3a5a254
hex702e489f5

30113303029 has 4 divisors (see below), whose sum is σ = 30494484160. Its totient is φ = 29732121900.

The previous prime is 30113303009. The next prime is 30113303041. The reversal of 30113303029 is 92030331103.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92030331103 = 194843701637.

It is a cyclic number.

It is not a de Polignac number, because 30113303029 - 213 = 30113294837 is a prime.

It is a super-2 number, since 2×301133030292 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30113302994 and 30113303012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30113303009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190590447 + ... + 190590604.

It is an arithmetic number, because the mean of its divisors is an integer number (7623621040).

Almost surely, 230113303029 is an apocalyptic number.

It is an amenable number.

30113303029 is a deficient number, since it is larger than the sum of its proper divisors (381181131).

30113303029 is an equidigital number, since it uses as much as digits as its factorization.

30113303029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381181130.

The product of its (nonzero) digits is 1458, while the sum is 25.

The spelling of 30113303029 in words is "thirty billion, one hundred thirteen million, three hundred three thousand, twenty-nine".

Divisors: 1 79 381181051 30113303029