Base | Representation |
---|---|
bin | 10010101101001000… |
… | …110110000011101101 |
3 | 1220211201210201220102 |
4 | 102231020312003231 |
5 | 312113132134000 |
6 | 13120551400445 |
7 | 1310500450415 |
oct | 225510660355 |
9 | 56751721812 |
10 | 20084646125 |
11 | 85772939a5 |
12 | 3a86383125 |
13 | 1b810a39bb |
14 | d8763b645 |
15 | 7c83db3d5 |
hex | 4ad2360ed |
20084646125 has 8 divisors (see below), whose sum is σ = 25065638520. Its totient is φ = 16067716800.
The previous prime is 20084646067. The next prime is 20084646137. The reversal of 20084646125 is 52164648002.
It can be written as a sum of positive squares in 4 ways, for example, as 6146246404 + 13938399721 = 78398^2 + 118061^2 .
It is not a de Polignac number, because 20084646125 - 26 = 20084646061 is a prime.
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, 80338460 + ... + 80338709.
It is an arithmetic number, because the mean of its divisors is an integer number (3133204815).
Almost surely, 220084646125 is an apocalyptic number.
20084646125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20084646125 is a deficient number, since it is larger than the sum of its proper divisors (4980992395).
20084646125 is an equidigital number, since it uses as much as digits as its factorization.
20084646125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160677184 (or 160677174 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 38.
The spelling of 20084646125 in words is "twenty billion, eighty-four million, six hundred forty-six thousand, one hundred twenty-five".
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