Base | Representation |
---|---|
bin | 10010101101010011… |
… | …110110001111001001 |
3 | 1220211221020021102221 |
4 | 102231103312033021 |
5 | 312114401433231 |
6 | 13121133254041 |
7 | 1310534122456 |
oct | 225523661711 |
9 | 56757207387 |
10 | 20087530441 |
11 | 8578983a30 |
12 | 3a87334321 |
13 | 1b818737b4 |
14 | d87b8c82d |
15 | 7c87aad11 |
hex | 4ad4f63c9 |
20087530441 has 16 divisors (see below), whose sum is σ = 22043855808. Its totient is φ = 18153164800.
The previous prime is 20087530439. The next prime is 20087530451. The reversal of 20087530441 is 14403578002.
It is a cyclic number.
It is not a de Polignac number, because 20087530441 - 21 = 20087530439 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20087530397 and 20087530406.
It is not an unprimeable number, because it can be changed into a prime (20087530451) 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 15 ways as a sum of consecutive naturals, for example, 1636770 + ... + 1648996.
It is an arithmetic number, because the mean of its divisors is an integer number (1377740988).
Almost surely, 220087530441 is an apocalyptic number.
It is an amenable number.
20087530441 is a deficient number, since it is larger than the sum of its proper divisors (1956325367).
20087530441 is a wasteful number, since it uses less digits than its factorization.
20087530441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13112.
The product of its (nonzero) digits is 26880, while the sum is 34.
The spelling of 20087530441 in words is "twenty billion, eighty-seven million, five hundred thirty thousand, four hundred forty-one".
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