Base | Representation |
---|---|
bin | 1101110010000000010000… |
… | …11110011000001010101010 |
3 | 10222022011121121210120222120 |
4 | 12321000020132120022222 |
5 | 12433011010420442420 |
6 | 144242042322332110 |
7 | 6245331561550152 |
oct | 671001036301252 |
9 | 128264547716876 |
10 | 30305431421610 |
11 | 9724508a81844 |
12 | 349548b7ba036 |
13 | 13baa365c00a7 |
14 | 76ab0d9b3762 |
15 | 3784a920cd40 |
hex | 1b90087982aa |
30305431421610 has 64 divisors (see below), whose sum is σ = 72796148288640. Its totient is φ = 8074437212160.
The previous prime is 30305431421563. The next prime is 30305431421621. The reversal of 30305431421610 is 1612413450303.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 407715909 + ... + 407790231.
It is an arithmetic number, because the mean of its divisors is an integer number (1137439817010).
Almost surely, 230305431421610 is an apocalyptic number.
30305431421610 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30305431421610 is an abundant number, since it is smaller than the sum of its proper divisors (42490716867030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30305431421610 is a wasteful number, since it uses less digits than its factorization.
30305431421610 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85943.
The product of its (nonzero) digits is 25920, while the sum is 33.
Adding to 30305431421610 its reverse (1612413450303), we get a palindrome (31917844871913).
The spelling of 30305431421610 in words is "thirty trillion, three hundred five billion, four hundred thirty-one million, four hundred twenty-one thousand, six hundred ten".
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