Base | Representation |
---|---|
bin | 11100010101010000… |
… | …001101000010101110 |
3 | 2220112010010012122200 |
4 | 130111100031002232 |
5 | 444300330342314 |
6 | 21550402522330 |
7 | 2124604061220 |
oct | 342520150256 |
9 | 86463105580 |
10 | 30421340334 |
11 | 119a1065290 |
12 | 5a900663a6 |
13 | 2b3a768bc8 |
14 | 16883a6410 |
15 | bd0b05709 |
hex | 71540d0ae |
30421340334 has 96 divisors (see below), whose sum is σ = 82232616960. Its totient is φ = 7896312000.
The previous prime is 30421340311. The next prime is 30421340347. The reversal of 30421340334 is 43304312403.
30421340334 is a `hidden beast` number, since 304 + 21 + 3 + 4 + 0 + 334 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 30421340298 and 30421340307.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2306659 + ... + 2319809.
It is an arithmetic number, because the mean of its divisors is an integer number (856589760).
Almost surely, 230421340334 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30421340334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41116308480).
30421340334 is an abundant number, since it is smaller than the sum of its proper divisors (51811276626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30421340334 is a wasteful number, since it uses less digits than its factorization.
30421340334 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14846 (or 14843 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 27.
Adding to 30421340334 its reverse (43304312403), we get a palindrome (73725652737).
The spelling of 30421340334 in words is "thirty billion, four hundred twenty-one million, three hundred forty thousand, three hundred thirty-four".
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