Search a number
-
+
30303403545 = 354346982021
BaseRepresentation
bin11100001110001110…
…010011111000011001
32220012220012101210110
4130032032103320121
5444030132403140
621530551034533
72121642452202
oct341616237031
986186171713
1030303403545
1111940532668
125a5866ba49
132b1c1b511c
1416768665a9
15bc55ab380
hex70e393e19

30303403545 has 16 divisors (see below), whose sum is σ = 49613015232. Its totient is φ = 15785958720.

The previous prime is 30303403511. The next prime is 30303403547. The reversal of 30303403545 is 54530430303.

It is not a de Polignac number, because 30303403545 - 29 = 30303403033 is a prime.

It is a super-2 number, since 2×303034035452 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30303403547) 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, 23490366 + ... + 23491655.

It is an arithmetic number, because the mean of its divisors is an integer number (3100813452).

Almost surely, 230303403545 is an apocalyptic number.

It is an amenable number.

30303403545 is a deficient number, since it is larger than the sum of its proper divisors (19309611687).

30303403545 is a wasteful number, since it uses less digits than its factorization.

30303403545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46982072.

The product of its (nonzero) digits is 32400, while the sum is 30.

Adding to 30303403545 its reverse (54530430303), we get a palindrome (84833833848).

The spelling of 30303403545 in words is "thirty billion, three hundred three million, four hundred three thousand, five hundred forty-five".

Divisors: 1 3 5 15 43 129 215 645 46982021 140946063 234910105 704730315 2020226903 6060680709 10101134515 30303403545