Base | Representation |
---|---|
bin | 11100011100100010… |
… | …000010110010100101 |
3 | 2220211121220101211122 |
4 | 130130202002302211 |
5 | 1000023111114240 |
6 | 22010444143325 |
7 | 2130616050614 |
oct | 343442026245 |
9 | 86747811748 |
10 | 30543457445 |
11 | 11a53a92716 |
12 | 5b04b37b45 |
13 | 2b59b54657 |
14 | 169a6b387b |
15 | bdb6c84b5 |
hex | 71c882ca5 |
30543457445 has 8 divisors (see below), whose sum is σ = 36654078840. Its totient is φ = 24433479360.
The previous prime is 30543457387. The next prime is 30543457447. The reversal of 30543457445 is 54475434503.
It can be written as a sum of positive squares in 4 ways, for example, as 13833758689 + 16709698756 = 117617^2 + 129266^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30543457445 - 218 = 30543195301 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30543457396 and 30543457405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30543457447) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49346 + ... + 252035.
It is an arithmetic number, because the mean of its divisors is an integer number (4581759855).
Almost surely, 230543457445 is an apocalyptic number.
It is an amenable number.
30543457445 is a deficient number, since it is larger than the sum of its proper divisors (6110621395).
30543457445 is a wasteful number, since it uses less digits than its factorization.
30543457445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 321655.
The product of its (nonzero) digits is 2016000, while the sum is 44.
The spelling of 30543457445 in words is "thirty billion, five hundred forty-three million, four hundred fifty-seven thousand, four hundred forty-five".
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