Base | Representation |
---|---|
bin | 10010101101001011… |
… | …111111111100011000 |
3 | 1220211210100202020012 |
4 | 102231023333330120 |
5 | 312113340114143 |
6 | 13121021221052 |
7 | 1310510463314 |
oct | 225513777430 |
9 | 56753322205 |
10 | 20085473048 |
11 | 85777a9203 |
12 | 3a86701788 |
13 | 1b813031c4 |
14 | d877b4b44 |
15 | 7c8501418 |
hex | 4ad2fff18 |
20085473048 has 8 divisors (see below), whose sum is σ = 37660261980. Its totient is φ = 10042736520.
The previous prime is 20085473047. The next prime is 20085473063. The reversal of 20085473048 is 84037458002.
It is a tau number, because it is divible by the number of its divisors (8).
It is a junction number, because it is equal to n+sod(n) for n = 20085472996 and 20085473014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20085473047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1255342058 + ... + 1255342073.
Almost surely, 220085473048 is an apocalyptic number.
It is an amenable number.
20085473048 is a deficient number, since it is larger than the sum of its proper divisors (17574788932).
20085473048 is a wasteful number, since it uses less digits than its factorization.
20085473048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2510684137 (or 2510684133 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 41.
The spelling of 20085473048 in words is "twenty billion, eighty-five million, four hundred seventy-three thousand, forty-eight".
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