Base | Representation |
---|---|
bin | 10010101101001011… |
… | …111111111011100100 |
3 | 1220211210100202011021 |
4 | 102231023333323210 |
5 | 312113340113441 |
6 | 13121021220524 |
7 | 1310510463211 |
oct | 225513777344 |
9 | 56753322137 |
10 | 20085472996 |
11 | 85777a9166 |
12 | 3a86701744 |
13 | 1b81303184 |
14 | d877b4b08 |
15 | 7c85013d1 |
hex | 4ad2ffee4 |
20085472996 has 6 divisors (see below), whose sum is σ = 35149577750. Its totient is φ = 10042736496.
The previous prime is 20085472921. The next prime is 20085472999. The reversal of 20085472996 is 69927458002.
It can be written as a sum of positive squares in only one way, i.e., 20053392100 + 32080896 = 141610^2 + 5664^2 .
It is not an unprimeable number, because it can be changed into a prime (20085472999) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510684121 + ... + 2510684128.
Almost surely, 220085472996 is an apocalyptic number.
It is an amenable number.
20085472996 is a deficient number, since it is larger than the sum of its proper divisors (15064104754).
20085472996 is a wasteful number, since it uses less digits than its factorization.
20085472996 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5021368253 (or 5021368251 counting only the distinct ones).
The product of its (nonzero) digits is 2177280, while the sum is 52.
The spelling of 20085472996 in words is "twenty billion, eighty-five million, four hundred seventy-two thousand, nine hundred ninety-six".
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