Search a number
-
+
30420010434 = 23114111241689
BaseRepresentation
bin11100010101001011…
…001000010111000010
32220112000121122101010
4130111023020113002
5444300010313214
621550314221350
72124556552032
oct342513102702
986460548333
1030420010434
11119a03370a0
125a8b724856
132b3a3c1798
14168813b8c2
15bd0941659
hex7152c85c2

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".

Divisors: 1 2 3 6 11 22 33 41 66 82 123 246 451 902 1353 2706 11241689 22483378 33725067 67450134 123658579 247317158 370975737 460909249 741951474 921818498 1382727747 2765455494 5070001739 10140003478 15210005217 30420010434