Base | Representation |
---|---|
bin | 11100010101001011… |
… | …001000010111000010 |
3 | 2220112000121122101010 |
4 | 130111023020113002 |
5 | 444300010313214 |
6 | 21550314221350 |
7 | 2124556552032 |
oct | 342513102702 |
9 | 86460548333 |
10 | 30420010434 |
11 | 119a03370a0 |
12 | 5a8b724856 |
13 | 2b3a3c1798 |
14 | 168813b8c2 |
15 | bd0941659 |
hex | 7152c85c2 |
30420010434 has 32 divisors (see below), whose sum is σ = 67989741120. Its totient is φ = 8993350400.
The previous prime is 30420010403. The next prime is 30420010463. The reversal of 30420010434 is 43401002403.
It is a self number, because there is not a number n which added to its sum of digits gives 30420010434.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5618139 + ... + 5623550.
It is an arithmetic number, because the mean of its divisors is an integer number (2124679410).
Almost surely, 230420010434 is an apocalyptic number.
30420010434 is an abundant number, since it is smaller than the sum of its proper divisors (37569730686).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30420010434 is a wasteful number, since it uses less digits than its factorization.
30420010434 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11241746.
The product of its (nonzero) digits is 1152, while the sum is 21.
Adding to 30420010434 its reverse (43401002403), we get a palindrome (73821012837).
The spelling of 30420010434 in words is "thirty billion, four hundred twenty million, ten thousand, four hundred thirty-four".
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