Base | Representation |
---|---|
bin | 11100010111001101… |
… | …001011100110101011 |
3 | 2220121101202200211010 |
4 | 130113031023212223 |
5 | 444332222234233 |
6 | 21553533035003 |
7 | 2125452412452 |
oct | 342715134653 |
9 | 86541680733 |
10 | 30454102443 |
11 | 11a08601a06 |
12 | 5a9b025a63 |
13 | 2b4449a17b |
14 | 168c893b99 |
15 | bd3927b63 |
hex | 71734b9ab |
30454102443 has 32 divisors (see below), whose sum is σ = 43243683840. Its totient is φ = 19009244160.
The previous prime is 30454102439. The next prime is 30454102477. The reversal of 30454102443 is 34420145403.
It is not a de Polignac number, because 30454102443 - 22 = 30454102439 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30454102443.
It is not an unprimeable number, because it can be changed into a prime (30454102423) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4403158 + ... + 4410068.
It is an arithmetic number, because the mean of its divisors is an integer number (1351365120).
Almost surely, 230454102443 is an apocalyptic number.
30454102443 is a deficient number, since it is larger than the sum of its proper divisors (12789581397).
30454102443 is a wasteful number, since it uses less digits than its factorization.
30454102443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7827.
The product of its (nonzero) digits is 23040, while the sum is 30.
Adding to 30454102443 its reverse (34420145403), we get a palindrome (64874247846).
The spelling of 30454102443 in words is "thirty billion, four hundred fifty-four million, one hundred two thousand, four hundred forty-three".
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