Base | Representation |
---|---|
bin | 11100010110100100… |
… | …011001011010111011 |
3 | 2220120122122112002121 |
4 | 130112210121122323 |
5 | 444322003124011 |
6 | 21552511542111 |
7 | 2125262503450 |
oct | 342644313273 |
9 | 86518575077 |
10 | 30443411131 |
11 | 11a0256a411 |
12 | 5a9752a937 |
13 | 2b421c5a53 |
14 | 168b2ad827 |
15 | bd2a14e71 |
hex | 7169196bb |
30443411131 has 16 divisors (see below), whose sum is σ = 34902604800. Its totient is φ = 26011843200.
The previous prime is 30443411107. The next prime is 30443411137. The reversal of 30443411131 is 13111434403.
It is a happy number.
It is not a de Polignac number, because 30443411131 - 213 = 30443402939 is a prime.
It is a super-2 number, since 2×304434111312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30443411096 and 30443411105.
It is not an unprimeable number, because it can be changed into a prime (30443411137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5889310 + ... + 5894476.
It is an arithmetic number, because the mean of its divisors is an integer number (2181412800).
Almost surely, 230443411131 is an apocalyptic number.
30443411131 is a deficient number, since it is larger than the sum of its proper divisors (4459193669).
30443411131 is a wasteful number, since it uses less digits than its factorization.
30443411131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7674.
The product of its (nonzero) digits is 1728, while the sum is 25.
Adding to 30443411131 its reverse (13111434403), we get a palindrome (43554845534).
The spelling of 30443411131 in words is "thirty billion, four hundred forty-three million, four hundred eleven thousand, one hundred thirty-one".
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