Base | Representation |
---|---|
bin | 11011111110101010… |
… | …011100100001010010 |
3 | 2212112200222011202010 |
4 | 123332222130201102 |
5 | 443011314443011 |
6 | 21445023403350 |
7 | 2112322464210 |
oct | 337652344122 |
9 | 85480864663 |
10 | 30042343506 |
11 | 1181713536a |
12 | 59a5153556 |
13 | 2aaa09c526 |
14 | 164dd0bcb0 |
15 | bac6e01a6 |
hex | 6fea9c852 |
30042343506 has 64 divisors (see below), whose sum is σ = 73820344320. Its totient is φ = 7958736000.
The previous prime is 30042343451. The next prime is 30042343531. The reversal of 30042343506 is 60534324003.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 362995 + ... + 438006.
It is an arithmetic number, because the mean of its divisors is an integer number (1153442880).
Almost surely, 230042343506 is an apocalyptic number.
30042343506 is an abundant number, since it is smaller than the sum of its proper divisors (43778000814).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30042343506 is a wasteful number, since it uses less digits than its factorization.
30042343506 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 801079.
The product of its (nonzero) digits is 25920, while the sum is 30.
Adding to 30042343506 its reverse (60534324003), we get a palindrome (90576667509).
The spelling of 30042343506 in words is "thirty billion, forty-two million, three hundred forty-three thousand, five hundred six".
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