Base | Representation |
---|---|
bin | 11100010110011000… |
… | …101001011111100010 |
3 | 2220120102212001021100 |
4 | 130112120221133202 |
5 | 444320211044414 |
6 | 21552321535230 |
7 | 2125224355245 |
oct | 342630513742 |
9 | 86512761240 |
10 | 30440331234 |
11 | 11a00856445 |
12 | 5a964a4516 |
13 | 2b41687c21 |
14 | 168ab0b25c |
15 | bd2607609 |
hex | 7166297e2 |
30440331234 has 48 divisors (see below), whose sum is σ = 68362789248. Its totient is φ = 9782647776.
The previous prime is 30440331227. The next prime is 30440331241. The reversal of 30440331234 is 43213304403.
30440331234 is a `hidden beast` number, since 304 + 4 + 0 + 331 + 23 + 4 = 666.
It is an interprime number because it is at equal distance from previous prime (30440331227) and next prime (30440331241).
It is a super-2 number, since 2×304403312342 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30440331198 and 30440331207.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211837 + ... + 325200.
It is an arithmetic number, because the mean of its divisors is an integer number (1424224776).
Almost surely, 230440331234 is an apocalyptic number.
30440331234 is an abundant number, since it is smaller than the sum of its proper divisors (37922458014).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30440331234 is a wasteful number, since it uses less digits than its factorization.
30440331234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 537159 (or 537156 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 27.
Adding to 30440331234 its reverse (43213304403), we get a palindrome (73653635637).
The spelling of 30440331234 in words is "thirty billion, four hundred forty million, three hundred thirty-one thousand, two hundred thirty-four".
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