Base | Representation |
---|---|
bin | 1110000011100000011111… |
… | …11001010100001001111011 |
3 | 11001102122222121111020012200 |
4 | 13001300033321110021323 |
5 | 13022334212421020034 |
6 | 145422224514441243 |
7 | 6336642405550446 |
oct | 701601771241173 |
9 | 131378877436180 |
10 | 30906851345019 |
11 | 9936581931861 |
12 | 3571b55b93223 |
13 | 1432671483660 |
14 | 78bc8467465d |
15 | 388e58a58a99 |
hex | 1c1c0fe5427b |
30906851345019 has 12 divisors (see below), whose sum is σ = 48077324314656. Its totient is φ = 19019600827632.
The previous prime is 30906851345003. The next prime is 30906851345093. The reversal of 30906851345019 is 91054315860903.
30906851345019 is a `hidden beast` number, since 3 + 0 + 9 + 0 + 68 + 513 + 4 + 50 + 19 = 666.
It is not a de Polignac number, because 30906851345019 - 24 = 30906851345003 is a prime.
It is a super-2 number, since 2×309068513450192 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30906851345119) 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 11 ways as a sum of consecutive naturals, for example, 132080561187 + ... + 132080561420.
It is an arithmetic number, because the mean of its divisors is an integer number (4006443692888).
Almost surely, 230906851345019 is an apocalyptic number.
30906851345019 is a gapful number since it is divisible by the number (39) formed by its first and last digit.
30906851345019 is a deficient number, since it is larger than the sum of its proper divisors (17170472969637).
30906851345019 is a wasteful number, since it uses less digits than its factorization.
30906851345019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 264161122626 (or 264161122623 counting only the distinct ones).
The product of its (nonzero) digits is 3499200, while the sum is 54.
The spelling of 30906851345019 in words is "thirty trillion, nine hundred six billion, eight hundred fifty-one million, three hundred forty-five thousand, nineteen".
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