Base | Representation |
---|---|
bin | 11100010011000101… |
… | …000100101101011110 |
3 | 2220102120111020021112 |
4 | 130103011010231132 |
5 | 444212011240230 |
6 | 21543021102022 |
7 | 2123652055355 |
oct | 342305045536 |
9 | 86376436245 |
10 | 30384868190 |
11 | 11982514216 |
12 | 5a7b9b7912 |
13 | 2b33039061 |
14 | 16835d099c |
15 | bcc7edd95 |
hex | 713144b5e |
30384868190 has 16 divisors (see below), whose sum is σ = 55463084640. Its totient is φ = 11982764640.
The previous prime is 30384868181. The next prime is 30384868219. The reversal of 30384868190 is 9186848303.
It is a super-2 number, since 2×303848681902 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21397085 + ... + 21398504.
It is an arithmetic number, because the mean of its divisors is an integer number (3466442790).
Almost surely, 230384868190 is an apocalyptic number.
30384868190 is a deficient number, since it is larger than the sum of its proper divisors (25078216450).
30384868190 is a wasteful number, since it uses less digits than its factorization.
30384868190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42795667.
The product of its (nonzero) digits is 995328, while the sum is 50.
The spelling of 30384868190 in words is "thirty billion, three hundred eighty-four million, eight hundred sixty-eight thousand, one hundred ninety".
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