Base | Representation |
---|---|
bin | 10010101101110010… |
… | …110010110011100101 |
3 | 1220212111111102120122 |
4 | 102231302302303211 |
5 | 312123441032403 |
6 | 13122023211325 |
7 | 1310663101016 |
oct | 225562626345 |
9 | 56774442518 |
10 | 20095642853 |
11 | 8582514a00 |
12 | 3a89ba6b45 |
13 | 1b83454140 |
14 | d88ca100d |
15 | 7c935e838 |
hex | 4adcb2ce5 |
20095642853 has 24 divisors (see below), whose sum is σ = 23801432088. Its totient is φ = 16853760000.
The previous prime is 20095642841. The next prime is 20095642877. The reversal of 20095642853 is 35824659002.
It can be written as a sum of positive squares in 4 ways, for example, as 280294564 + 19815348289 = 16742^2 + 140767^2 .
It is not a de Polignac number, because 20095642853 - 24 = 20095642837 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20095642813) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4403693 + ... + 4408253.
It is an arithmetic number, because the mean of its divisors is an integer number (991726337).
Almost surely, 220095642853 is an apocalyptic number.
It is an amenable number.
20095642853 is a deficient number, since it is larger than the sum of its proper divisors (3705789235).
20095642853 is a wasteful number, since it uses less digits than its factorization.
20095642853 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7397 (or 7386 counting only the distinct ones).
The product of its (nonzero) digits is 518400, while the sum is 44.
The spelling of 20095642853 in words is "twenty billion, ninety-five million, six hundred forty-two thousand, eight hundred fifty-three".
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