Base | Representation |
---|---|
bin | 11100001001110110… |
… | …100000011010001110 |
3 | 2220000210011212212201 |
4 | 130021312200122032 |
5 | 443402343221132 |
6 | 21515410552114 |
7 | 2120062136542 |
oct | 341166403216 |
9 | 86023155781 |
10 | 30230054542 |
11 | 11903094456 |
12 | 5a37b9863a |
13 | 2b09c4314c |
14 | 166ac11a22 |
15 | bbde1d2e7 |
hex | 709da068e |
30230054542 has 8 divisors (see below), whose sum is σ = 45419056056. Its totient is φ = 15090369192.
The previous prime is 30230054539. The next prime is 30230054549. The reversal of 30230054542 is 24545003203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×302300545422 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30230054542.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30230054549) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12327508 + ... + 12329959.
It is an arithmetic number, because the mean of its divisors is an integer number (5677382007).
Almost surely, 230230054542 is an apocalyptic number.
30230054542 is a deficient number, since it is larger than the sum of its proper divisors (15189001514).
30230054542 is a wasteful number, since it uses less digits than its factorization.
30230054542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24658082.
The product of its (nonzero) digits is 14400, while the sum is 28.
Adding to 30230054542 its reverse (24545003203), we get a palindrome (54775057745).
The spelling of 30230054542 in words is "thirty billion, two hundred thirty million, fifty-four thousand, five hundred forty-two".
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