Base | Representation |
---|---|
bin | 11100110001110010… |
… | …111111101101111010 |
3 | 2221202111012221221212 |
4 | 130301302333231322 |
5 | 1001240424112332 |
6 | 22110111003122 |
7 | 2142510363146 |
oct | 346162775572 |
9 | 87674187855 |
10 | 30900222842 |
11 | 12117408855 |
12 | 5ba45094a2 |
13 | 2bb5a39038 |
14 | 16d1c22226 |
15 | c0cb9b8b2 |
hex | 731cbfb7a |
30900222842 has 32 divisors (see below), whose sum is σ = 50684782080. Its totient is φ = 14074482240.
The previous prime is 30900222841. The next prime is 30900222851. The reversal of 30900222842 is 24822200903.
It is a junction number, because it is equal to n+sod(n) for n = 30900222799 and 30900222808.
It is not an unprimeable number, because it can be changed into a prime (30900222841) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101408 + ... + 268484.
It is an arithmetic number, because the mean of its divisors is an integer number (1583899440).
Almost surely, 230900222842 is an apocalyptic number.
30900222842 is a deficient number, since it is larger than the sum of its proper divisors (19784559238).
30900222842 is a wasteful number, since it uses less digits than its factorization.
30900222842 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 167286.
The product of its (nonzero) digits is 13824, while the sum is 32.
The spelling of 30900222842 in words is "thirty billion, nine hundred million, two hundred twenty-two thousand, eight hundred forty-two".
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