Base | Representation |
---|---|
bin | 10010111010001101… |
… | …000101011000001011 |
3 | 1221102000022000112110 |
4 | 102322031011120023 |
5 | 313040242030014 |
6 | 13154422113403 |
7 | 1316101654533 |
oct | 227215053013 |
9 | 57360260473 |
10 | 20303861259 |
11 | 867a000530 |
12 | 3b2787b863 |
13 | 1bb76280b6 |
14 | da87c24c3 |
15 | 7dc78dd59 |
hex | 4ba34560b |
20303861259 has 32 divisors (see below), whose sum is σ = 30354234624. Its totient is φ = 11963652480.
The previous prime is 20303861239. The next prime is 20303861287. The reversal of 20303861259 is 95216830302.
It is not a de Polignac number, because 20303861259 - 28 = 20303861003 is a prime.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (20303861239) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1805137 + ... + 1816349.
It is an arithmetic number, because the mean of its divisors is an integer number (948569832).
Almost surely, 220303861259 is an apocalyptic number.
20303861259 is a deficient number, since it is larger than the sum of its proper divisors (10050373365).
20303861259 is a wasteful number, since it uses less digits than its factorization.
20303861259 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12747.
The product of its (nonzero) digits is 77760, while the sum is 39.
The spelling of 20303861259 in words is "twenty billion, three hundred three million, eight hundred sixty-one thousand, two hundred fifty-nine".
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