Base | Representation |
---|---|
bin | 10010111011111111… |
… | …111100010101100000 |
3 | 1221111002221202001001 |
4 | 102323333330111200 |
5 | 313120444031114 |
6 | 13201415321344 |
7 | 1316615620441 |
oct | 227377742540 |
9 | 57432852031 |
10 | 20333970784 |
11 | 8694aa6236 |
12 | 3b35980254 |
13 | 1bc093ab9a |
14 | dac7bd2c8 |
15 | 7e023a374 |
hex | 4bbffc560 |
20333970784 has 12 divisors (see below), whose sum is σ = 40032505044. Its totient is φ = 10166985376.
The previous prime is 20333970779. The next prime is 20333970859. The reversal of 20333970784 is 48707933302.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317718262 + ... + 317718325.
It is an arithmetic number, because the mean of its divisors is an integer number (3336042087).
Almost surely, 220333970784 is an apocalyptic number.
It is an amenable number.
20333970784 is a deficient number, since it is larger than the sum of its proper divisors (19698534260).
20333970784 is an equidigital number, since it uses as much as digits as its factorization.
20333970784 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 635436597 (or 635436589 counting only the distinct ones).
The product of its (nonzero) digits is 762048, while the sum is 46.
The spelling of 20333970784 in words is "twenty billion, three hundred thirty-three million, nine hundred seventy thousand, seven hundred eighty-four".
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